exactmatch =
Year =
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There are 4443 matches found
| Name | BBrefID | Year | Span | Games | Team | League | Location |
| Ed Abbaticchio | abbati001edw | 1898 | 25 g. | Philadelphia | National League | Philadelphia, PA | |
| Bert Abbey | abbey-001ber | 1898 | 5/21-9/10 | Montreal Royals | Eastern League | Montreal, QC | |
| Frank Abbott | abbott002fra | 1898 | 5/11-8/24 | Fort Collins | Colorado State League | Fort Collins, CO | |
| Fred Abbott | abbott002har | 1898 | 4/14-5/7 | New Orleans Pelicans | Southern League | New Orleans, LA | |
| Victor Accorsini | accors001vic | 1898 | 5/6-5/30 | London Cockneys | International League | London, ON | |
| F. Adams | adams-001f-- | 1898 | 5/24-6/6 | Port Huron Tigers | International League | Port Huron, MI | |
| Sid Adams | adams-001sid | 1898 | 5/18-7/31 | Seattle | Pacific Northwest League | Seattle, WA | |
| Merle Adkins | adkins001mer | 1898 | Beliot College | College | , | ||
| Merle Adkins | adkins001mer | 1898 | Waupun WI | Independent | Waupun, WI | ||
| Adomies | 1898 | 1 g. | Santa Cruz | Pacific Coast League | Santa Cruz, CA | ||
| Pete Agnew | agnew-001pet | 1898 | Manhattan Col. | College | , | ||
| Pete Agnew | agnew-001pet | 1898 | 6/25 | New London Whalers | Connecticut State League | New London, CT | |
| Pete Agnew | agnew-001pet | 1898 | 7/12-7/16 | Utica Pent Ups | New York State League | Utica, NY | |
| Frank Alberson | albers001fra | 1898 | no g. | Rock Island | Western Association | Rock Island, IL | |
| Tom Albright | albrig001tom | 1898 | 15 g. | Fresno/Watsonville | Pacific Coast League | Watsonville, CA | |
| Doc Aldinger | alding001alb | 1898 | U. of Vermont | College | , | ||
| Alexander | alexan007--- | 1898 | 6/9-6/27 | St. Joseph Saints | Western Association | St. Joseph, MO | |
| Bill Alexander | alexan005wil | 1898 | 4/9-4/30 | Dallas Colts | Texas League | Dallas, TX | |
| Bill Alexander | alexan005wil | 1898 | Little Rock | Southwestern League | Little Rock, AR | ||
| Fordy Alexander | 1898 | Montgomery Senators | Southern League | Montgomery, AL | |||
| J.E. Alexander | alexan003j-- | 1898 | Wichita Eagles | Kansas State League | Wichita, KS | ||
| Bob Allen | allen-001bob | 1898 | 4/20-9/20 | Indianapolis Hoosiers | Western League | Indianapolis, IN | |
| George Allen | allen-003geo | 1898 | 5/19-5/28 | Oswego Grays | New York State League | Oswego, NY | |
| George Allen | allen-003geo | 1898 | 6/5-9/5 | Canandaigua Giants | New York State League | Canandaigua, NY | |
| Arthur Alloway | allowa001art | 1898 | 4/26-7/5 | Fort Wayne Indians | Interstate League | Fort Wayne, IN | |
| Arthur Alloway | allowa001art | 1898 | 7/12-7/27 | Youngstown Puddlers | Interstate League | Youngstown, OH | |
| Owen Altman | altman001owe | 1898 | W. Univ. of PA | College | , | ||
| Owen Altman | altman001owe | 1898 | Uniontown | Independent | Uniontown, PA | ||
| Owen Altman | altman001owe | 1898 | Johnstown/Palmyra Mormans | New York State League | Johnstown, PA | ||
| Owen Altman | altman001owe | 1898 | Greensburg | Independent | Greensburg, PA | ||
| Nick Altrock | altroc001nic | 1898 | 4/30-7/6 | Grand Rapids Cabinet Makers | Interstate League | Grand Rapids, MI | |
| Nick Altrock | altroc001nic | 1898 | 7/14- | 11 g. | Louisville | National League | Louisville, KY |
| Ed Ames | ames--001edw | 1898 | 4/27-9/10 | Hartford Cooperatives | Atlantic League | Hartford, CT | |
| Doc Amole | amole-001doc | 1898 | - 5/17 | 7 g. | Washington | National League | Washington, DC |
| Doc Amole | amole-001doc | 1898 | 6/15-9/9 | Buffalo Bisons | Eastern League | Buffalo, NY | |
| Anderson | anders076--- | 1898 | +4/24-5/4+ | Texarkana | Southwestern League | Texarkana, TX | |
| Andy Anderson | anders003and | 1898 | RedRivVal | , | |||
| Andy Anderson | anders003and | 1898 | 5/18-7/31 | Seattle | Pacific Northwest League | Seattle, WA | |
| Andy Anderson | anders003art | 1898 | 9/13-9/17 | Youngstown Puddlers | Interstate League | Youngstown, OH | |
| C.S. Anderson | anders004c-- | 1898 | -5/15 | 26 g. | Galveston Sandcrabs | Texas League | Galveston, TX |
| G. Anderson | 1898 | Tacoma | Pacific Northwest League | Tacoma, WA | |||
| John Anderson | anders010joh | 1898 | 25 g. | Brooklyn | National League | Brooklyn, NY | |
| John Anderson | anders010joh | 1898 | 110 g. | Washington | National League | Washington, DC | |
| Pete Anderson | anders001pet | 1898 | 4/30 | New Bedford Whalers/Worcester | New England League | New Bedford, MA | |
| Varney Anderson | anders001var | 1898 | 5/12 | Rock Island | Western Association | Rock Island, IL | |
| Varney Anderson | anders001var | 1898 | Rockford IL | Independent | Rockford, IL | ||
| Doc Andrews | andrew001jay | 1898 | 4/28-6/8 | Cedar Rapids Rabbits | Western Association | Cedar Rapids, IA | |
| Doc Andrews | andrew001jay | 1898 | 38 g. | Rock Island | Western Association | Rock Island, IL | |
| Doc Andrews | andrew001jay | 1898 | Omaha Omahogs/St. Joseph Saints | Western League | Omaha, NE | ||
| Doc Andrews | andrew001jay | 1898 | -6/27 | St. Joseph Saints | Western Association | St. Joseph, MO | |
| Doc Andrews | andrew001jay | 1898 | 8/1-9/19 | Minneapolis Millers | Western League | Minneapolis, MN | |
| Ed Andrews | andrew001ed- | 1898-99 | 193 g. | MLB Umpire | National League | , | |
| George Andrews | andrew005geo | 1898 | 5/18- | Tacoma | Pacific Northwest League | Tacoma, WA | |
| Angus/Angues | 1898 | 1 g. | San Jose | Pacific Coast League | San Jose, CA | ||
| Spencer Ansell | ansell001spe | 1898 | 5/14-8/2 | Oswego Grays | New York State League | Oswego, NY | |
| Cap Anson | anson-001cap | 1898 | New York | National League | New York, NY | ||
| Abe Arellanes | arella001abe | 1898 | 3 g. | Santa Cruz | Pacific Coast League | Santa Cruz, CA | |
| Abe Arellanes | arella001abe | 1898 | 39 g. | Santa Cruz | Pacific Coast League | Santa Cruz, CA | |
| Abe Arellanes | arella001abe | 1898 | Fresno/Watsonville | Pacific Coast League | Watsonville, CA | ||
| Bill Armour | armour001wil | 1898 | 4/25-9/18 | Dayton Old Soldiers | Interstate League | Dayton, OH | |
| Armstrong | armstr010--- | 1898 | 6/9-6/23 | Kansas City Blues | Western League | Kansas City, MO | |
| Armstrong | armstr012--- | 1898 | Spokane | Pacific Northwest League | Spokane, WA | ||
| Frank Armstrong | armstr001fra | 1898 | 4/14-5/19 | Augusta | Southern League | Augusta, GA | |
| Frank Armstrong | armstr001fra | 1898 | 6/6-7/4 | Taunton Herrings | New England League | Taunton, MA | |
| Frank Armstrong | armstr001fra | 1898 | 7/13-8/13 | Cortland | New York State League | Cortland, NY | |
| Frank Armstrong | armstr001fra | 1898 | 8/18-9/9 | Rome Romans | New York State League | Rome, NY | |
| Sid Armstrong | armstr006cha | 1898 | 4/10-5/11 | Montgomery Senators | Southern League | Montgomery, AL | |
| Arnesen | arneso000a-- | 1898 | Spokane | Pacific Northwest League | Spokane, WA | ||
| Arnold | arnold004--- | 1898 | 1 g. | San Francisco Athletics | Pacific Coast League | San Francisco, CA | |
| Jack Arrick | arrick001jac | 1898 | 8 g. | San Jose | California League | San Jose, CA | |
| Ed Arthur | arthur002sta | 1898 | 4/25-9/18 | Toledo Mud Hens | Interstate League | Toledo, OH | |
| Ernie Asbury | asbury001ern | 1898 | 5/14-8/21+ | Denver Grizzlies | Colorado State League | Denver, CO | |
| Guy Ash | ash---005--- | 1898 | Topeka Giants | Kansas State League | Topeka, KS | ||
| Steve Ashe | ashe--001ste | 1898 | 4/30 | Springfield Ponies/Maroons | Eastern League | Springfield, MA | |
| Steve Ashe | ashe--001ste | 1898 | 5/6-9/10 | New Haven Blues | Connecticut State League | New Haven, CT | |
| Ed Ashenbach | ashenb001edw | 1898 | 4/25-9/17 | New Castle Quakers | Interstate League | New Castle, PA | |
| Henry Ashford | ashfor001hen | 1898 | Vanderbilt Col. | College | , | ||
| Henry Ashford | ashfor001hen | 1898 | 5/6-6/10 | Saginaw Braves | International League | Saginaw, MI | |
| George Ashton | ashton001geo | 1898 | 5/13-7/9 | Auburn Maroons | New York State League | Auburn, NY | |
| George Ashton | ashton001geo | 1898 | Moravia | Independent | Moravia, NY | ||
| Charlie Atherton | athert001cha | 1898 | 4/29-9/10 | Wilkes-Barre Coal Barons | Eastern League | Wilkes-Barre, PA | |
| Edward Atkin | atkin-001edw | 1898 | 7/4 | New Haven Blues | Connecticut State League | New Haven, CT | |
| Jake Atz | atz---001joh | 1898 | +5/26-6/3+ | Williamsport | Central Pennsylvania League | Williamsport, PA | |
| Avery | avery-001--- | 1898 | 5/11-5/21+ | Fort Collins | Colorado State League | Fort Collins, CO | |
| Charlie Babb | babb--001cha | 1898 | 4/26-9/17 | Fort Wayne Indians | Interstate League | Fort Wayne, IN | |
| George Babbitt | babbit002geo | 1898 | 4/28-6/26 | Rock Island | Western Association | Rock Island, IL | |
| George Babbitt | babbit002geo | 1898 | 7/17-7/31 | Tacoma | Pacific Northwest League | Tacoma, WA | |
| Bach | 1898 | Erie PA | Independent | Erie, PA | |||
| Mart Bach | 1898 | London Cockneys | International League | London, ON | |||
| Louis Bacon | bacon-001jam | 1898 | 5/13-9/9 | Lyons | New York State League | Lyons, NY | |
| H. E. Baden | 1898 | Springfield Ponies/Maroons | Eastern League | Springfield, MA | |||
| Frank Badger | badger001fra | 1898 | 4/9-5/15 | Houston Buffaloes | Texas League | Houston, TX | |
| Frank Badger | badger001fra | 1898 | 5/17-5/19 | Mobile Blackbirds | Southern League | Mobile, AL | |
| Frank Badger | badger001fra | 1898 | Quitman GA | SW Ga | Quitman, GA | ||
| Will Baer | baer--001wil | 1898 | 4/28-6/26 | Rock Island | Western Association | Rock Island, IL | |
| Jack Bagley | bagley001joh | 1898 | Villanova Col. | College | , | ||
| Jack Bagley | bagley001joh | 1898 | 6/27-6/28 | Danbury Hatters | Connecticut State League | Danbury, CT | |
| Bailey | bailey010--- | 1898 | 7/23 | Oswego Grays | New York State League | Oswego, NY | |
| Charles Bailey | bailey004cha | 1898 | 4/9-5/9 | Austin Senators | Texas League | Austin, TX | |
| Charles Bailey | bailey004cha | 1898 | Topeka Giants | Kansas State League | Topeka, KS | ||
| Harvey Bailey | bailey003har | 1898 | So.Bend-Greens | Amat | South Bend, IN | ||
| King Bailey | bailey001kin | 1898 | 4/15-5/19 | Augusta | Southern League | Augusta, GA | |
| Billy Baker | baker-014wil | 1898 | 6/15-7/5 | St. Thomas Saints | International League | St. Thomas, ON | |
| Billy Baker | baker-014wil | 1898 | 7/13-8/3 | St. Thomas Saints | Canadian League | St. Thomas, ON | |
| Billy Baker | baker-014wil | 1898 | Rock Island | Western Association | Rock Island, IL | ||
| Bock Baker | baker-002cha | 1898 | 5/11-7/1 | Hamilton Hams | International League | Hamilton, ON | |
| Bock Baker | baker-002cha | 1898 | 7/13-9/17 | Hamilton Hams | Canadian League | Hamilton, ON | |
| Charles Baker | baker-008cha | 1898 | 5/21-6/3 | Lock Haven Normals/Maroons | Central Pennsylvania League | Lock Haven, PA | |
| George Baker | baker-008geo | 1898 | 5/18-6/17 | Utica Pent Ups | New York State League | Utica, NY | |
| Jack Baker | baker-003jac | 1898 | 5/13-7/13+ | Warren | Iron and Oil League | Warren, PA | |
| Kirtley Baker | baker-001kir | 1898 | no g. | Springfield Ponies/Maroons | Eastern League | Springfield, MA | |
| Kirtley Baker | baker-001kir | 1898 | 4/30-9/10 | Toronto Canucks | Eastern League | Toronto, ON | |
| Kirtley Baker | baker-001kir | 1898 | 9/?- | 6 g. | Washington | National League | Washington, DC |
| Baldwin | baldwi004--- | 1898 | +6/1+ | Louisville | Colorado State League | Louisville, CO | |
| Art Ball | ball--003art | 1898 | 4/23-6/19 | Minneapolis Millers | Western League | Minneapolis, MN | |
| Art Ball | ball--003art | 1898 | - 10/15 | 32 g. | Baltimore | National League | Baltimore, MD |
| Jim Ballantyne | ballen001jam | 1898 | 4/14-5/3 | Savannah | Southern League | Savannah, GA | |
| Ballow | ballow001--- | 1898 | 5/11 | Charleston Seagulls | Southern League | Charleston, SC | |
| Ballow | ballow001--- | 1898 | Pitt.-Irwin | Independent | Pittsburgh, PA | ||
| Louis Balsz | balsz-002lou | 1898 | 5 g. | Santa Cruz | Pacific Coast League | Santa Cruz, CA | |
| Louis Balsz | balsz-002lou | 1898 | Fresno/Watsonville | Pacific Coast League | Watsonville, CA | ||
| Louis Balsz | balsz-002lou | 1898 | 25 g. | Santa Cruz | Pacific Coast League | Santa Cruz, CA | |
| Joseph Bammert | bammer001joh | 1898 | 4/14-5/19 | Charleston Seagulls | Southern League | Charleston, SC | |
| Joseph Bammert | bammer001joh | 1898 | 6/7-6/8 | Richmond Bluebirds | Atlantic League | Richmond, VA | |
| Joseph Bammert | bammer001joh | 1898 | 6/10-6/15 | Norfolk Jewels | Atlantic League | Norfolk, VA | |
| Alex Bandelin | bandel001ale | 1898 | U. S. Service | , | |||
| Oscar Bandelin | bandel002osc | 1898 | U. S. Service | , | |||
| George Bannon | bannon001geo | 1898 | 6/17-6/23 | Pawtucket Tigers | New England League | Pawtucket, RI | |
| Jimmy Bannon | bannon001jam | 1898 | 4/30-8/18 | Springfield Ponies/Maroons | Eastern League | Springfield, MA | |
| Jimmy Bannon | bannon001jam | 1898 | 8/26-9/11 | Montreal Royals | Eastern League | Montreal, QC | |
| Tom Bannon | bannon001tho | 1898 | 4/30-9/11 | Montreal Royals | Eastern League | Montreal, QC | |
| Barber | barber009--- | 1898 | 6/23-7/5 | Port Huron Tigers | International League | Port Huron, MI | |
| Billy Barber | barber001wil | 1898 | 5/5-6/7 | Grand Rapids Cabinet Makers | Interstate League | Grand Rapids, MI | |
| Dave Barber | barber001dav | 1898 | 5/13-9/9 | Canandaigua Giants | New York State League | Canandaigua, NY | |
| George Barclay | barcla001geo | 1898 | Lafayette Col. | College | , | ||
| George Barclay | barcla001geo | 1898 | Johnstown/Palmyra Mormans | New York State League | Johnstown, PA | ||
| George Barclay | barcla001geo | 1898 | 7/- | Greensburg | Independent | Greensburg, PA | |
| John Barclay | barcla001joh | 1898 | 4/25-9/16 | New Castle Quakers | Interstate League | New Castle, PA | |
| Fred Barnes | barnes001fre | 1898 | 4/21-9/17 | Milwaukee Brewers/Creams | Western League | Milwaukee, WI | |
| Barnett | 1898 | Omaha Omahogs/St. Joseph Saints | Western League | Omaha, NE | |||
| Billy Barnie | barnie001bil | 1898 | -6/4 | 35 g. | Brooklyn | National League | Brooklyn, NY |
| Billy Barnie | barnie001bil | 1898 | 6/21-9/11 | Springfield Ponies/Maroons | Eastern League | Springfield, MA | |
| Barrett | barret033--- | 1898 | +7/23-7/24+ | Leadville | Colorado State League | Leadville, CO | |
| James Barrett | barret007jam | 1898 | +5/24-7/12+ | Warren | Iron and Oil League | Warren, PA | |
| James Barrett | barret007jam | 1898 | 7/- | Toronto Canucks | Eastern League | Toronto, ON | |
| Jimmy Barrett | barret003jam | 1898 | 5/13-9/10 | Oswego Grays | New York State League | Oswego, NY | |
| Ed Barrow | barrow001edw | 1898 | League Pres. | Atl | , | ||
| Jimmy Barry | barry-002jam | 1898 | Wallingford | Independent | Wallingford, CT | ||
| Joe Barry | 1898 | 1 g. | San Francisco | Pacific Coast League | San Francisco, CA | ||
| John Barry | barry-002joh | 1898 | 5/11-9/11 | Montreal Royals | Eastern League | Montreal, QC | |
| John Barry | 1898 | Wallingford | Independent | Wallingford, CT | |||
| Charles Barthel | barthe000cha | 1898 | +6/25+ | Leavenworth KS | Independent | Leavenworth, KS | |
| Harry Barton | barton001har | 1898 | Media | Independent | Media, PA | ||
| Harry Barton | barton001har | 1898 | Muncie PA | Independent | Muncie, PA | ||
| Bast | bast--001--- | 1898 | +5/18-5/26+ | Canton | Ohio State League | Canton, OH | |
| Charlie Bastian | bastia001cha | 1898 | 6th Cavalry | Army | , | ||
| Frank Bates | bates-002fra | 1898 | 4/28-9/18 | Dayton Old Soldiers | Interstate League | Dayton, OH | |
| Frank Bates | bates-002fra | 1898 | 10/7- | 4 g. | Cleveland | National League | Cleveland, OH |
| Joseph Bates | bates-002jos | 1898 | 5/18-6/4 | London Cockneys | International League | London, ON | |
| Joseph Bates | bates-002jos | 1898 | 6/6-6/13 | St. Thomas Saints | International League | St. Thomas, ON | |
| Joseph Bates | bates-002jos | 1898 | 6/26-7/5 | Port Huron Tigers | International League | Port Huron, MI | |
| William Batst | batst-001wil | 1898 | 5/13-5/21 | Rome Romans | New York State League | Rome, NY | |
| Larry Battam | battam001lar | 1898 | 4/30-5/9 | Springfield Ponies/Maroons | Eastern League | Springfield, MA | |
| Larry Battam | battam001lar | 1898 | 5/28-7/4 | Taunton Herrings | New England League | Taunton, MA | |
| Larry Battam | battam001lar | 1898 | 7/15-7/16 | Newark Colts | Atlantic League | Newark, NJ | |
| Larry Battam | battam001lar | 1898 | 8/6-8/10 | Rome Romans | New York State League | Rome, NY | |
| Larry Battam | battam001lar | 1898 | 8/17-8/22 | Cortland | New York State League | Cortland, NY | |
| Al Baxter | baxter001al- | 1898 | Celoron Acme Colored Giants | Iron and Oil League | Jamestown, NY | ||
| Harry Bay | bay---001har | 1898 | Lincoln IL | Independent | Lincoln, IL | ||
| Burley Bayer | bayer-001bur | 1898 | 4/14-5/9 | Atlanta Colts | Southern League | Atlanta, GA | |
| Beach | beach-001--- | 1898 | +7/11-7/20+ | Fort Collins | Colorado State League | Fort Collins, CO | |
| Edward Beadle | beadle001edw | 1898 | +5/27-6/5+ | Canton | Ohio State League | Canton, OH | |
| Carl Beal | beal--001car | 1898 | 5/6-6/14 | London Cockneys | International League | London, ON | |
| Carl Beal | beal--001car | 1898 | 6/25 | Saginaw Braves | International League | Saginaw, MI | |
| Ernie Beam | beam--001ern | 1898 | 5/9-7/3 | Mansfield Haymakers | Interstate League | Mansfield, OH | |
| Ernie Beam | beam--001ern | 1898 | 7/21-9/20 | Detroit Tigers | Western League | Detroit, MI | |
| Joe Bean | bean--001jos | 1898 | 4/30-5/12 | Newport Colts | New England League | Newport, RI | |
| Joe Bean | bean--001jos | 1898 | 5/19-7/12 | Rochester Patriots/Ottawa Wanderers | Eastern League | Rochester, NY | |
| Joe Bean | bean--001jos | 1898 | 7/13-9/10 | Rochester Patriots/Ottawa Wanderers | Eastern League | Ottawa, ON | |
| R.H. Beanton | beanto001r-- | 1898 | 7 g. | San Francisco Metropolitans | California League | San Francisco, CA | |
| R.H. Beanton | beanto001r-- | 1898 | San Francisco Athletics | Pacific Coast League | San Francisco, CA | ||
| R.H. Beanton | beanto001r-- | 1898 | Oakland Reliance | Pacific Coast League | Oakland, CA | ||
| R.H. Beanton | beanto001r-- | 1898 | San Francisco | Pacific Coast League | San Francisco, CA | ||
| Ollie Beard | beard-001oll | 1898 | 5/13-5/27 | Detroit Tigers | Western League | Detroit, MI | |
| George Beasley | 1898 | SW | , | ||||
| Beatty | beatty003--- | 1898 | 4/21-5/9 | Hot Springs | Southwestern League | Hot Springs, AR | |
| Ben Beaumont | beaumo001ben | 1898 | 4/30-7/4 | Pawtucket Tigers | New England League | Pawtucket, RI | |
| Ben Beaumont | beaumo001ben | 1898 | 7/16-9/10 | Toronto Canucks | Eastern League | Toronto, ON | |
| Frank Beaumont | beaumo001fra | 1898 | No. Attleboro MA | Independent | North Attleboro, MA | ||
| Ginger Beaumont | beaumo001cla | 1898 | Waupun WI | Independent | Waupun, WI | ||
| Ginger Beaumont | beaumo001cla | 1898 | -6/ | Beloit Col. Acad. | College | , | |
| Ginger Beaumont | beaumo001cla | 1898 | Waupun WI | Independent | Waupun, WI | ||
| Ginger Beaumont | beaumo001cla | 1898 | 8/23-9/19 | Milwaukee Brewers/Creams | Western League | Milwaukee, WI | |
| Bechard | bechar001--- | 1898 | 8/17 | Chatham Reds | Canadian League | Chatham, ON | |
| Erve Beck | beck--001erv | 1898 | 4/25-9/18 | Toledo Mud Hens | Interstate League | Toledo, OH | |
| Arthur Becker | becker002art | 1898 | Co E, 159INInf US Army | Span-Amer | , | ||
| Bob Becker | becker001bob | 1898 | 5/17 | 1 g. | Philadelphia | National League | Philadelphia, PA |
| Bob Becker | becker001bob | 1898 | 5/22-9/10 | Syracuse Stars | Eastern League | Syracuse, NY | |
| Charles Becker | becker002cha | 1898 | 4/9-5/15 | Galveston Sandcrabs | Texas League | Galveston, TX | |
| Charles Becker | becker002cha | 1898 | 5/26-7/6 | Dayton Old Soldiers | Interstate League | Dayton, OH | |
| Charles Becker | becker002cha | 1898 | 7/7-7/11 | Grand Rapids Cabinet Makers | Interstate League | Grand Rapids, MI | |
| Becket | 1898 | 4/29- | Mansfield Haymakers | Interstate League | Mansfield, OH | ||
| Jake Beckley | beckle001jac | 1898 | 118 g. | Cincinnati | National League | Cincinnati, OH | |
| Jake Beckley | beckle001jac | 1898 | 1 g. | Santa Cruz | Pacific Coast League | Santa Cruz, CA | |
| Jake Beckley | beckle001jac | 1898 | 1 g. | Stockton | Pacific Coast League | Stockton, CA | |
| Warren Beckwith | beckwi001war | 1898 | to the Army | , | |||
| Charles Beecher | beeche001cha | 1898 | 4/14-4/19 | Savannah | Southern League | Savannah, GA | |
| Charles Beecher | beeche001cha | 1898 | 5/5-5/9 | Montgomery Senators | Southern League | Montgomery, AL | |
| John Beers | 1898 | Easton PA | Independent | Easton, PA | |||
| Beeson | 1898 | Uniontown | Independent | Uniontown, PA | |||
| John Begley | begley001joh | 1898 | Danbury Hatters | Connecticut State League | Danbury, CT | ||
| Ed Behan | behan-001ed- | 1898 | 5/5-5/29 | Port Huron Tigers | International League | Port Huron, MI | |
| Frank Behan | behan-001fra | 1898 | 23 g. | Galveston Sandcrabs | Texas League | Galveston, TX | |
| Pell' Behringer | behrin001pel | 1898 | Utica-Actives | Amat | Utica, NY | ||
| Belden | 1898 | U. N. Carolina | College | , | |||
| Ira Belden | belden002ira | 1898 | 122 g. | Fort Wayne Indians | Interstate League | Fort Wayne, IN | |
| Bell | bell--005--- | 1898 | +5/19-6/4+ | Canton | Ohio State League | Canton, OH | |
| Frank Belt | belt--001fra | 1898 | 4/29-5/1 | Syracuse Stars | Eastern League | Syracuse, NY | |
| Frank Belt | belt--001fra | 1898 | 5/13-9/17 | Mansfield Haymakers | Interstate League | Mansfield, OH | |
| W.L. Belt | belt--000wl- | 1898 | Spokane | Pacific Northwest League | Spokane, WA | ||
| Harry Bemis | bemis-001har | 1898 | 5/2-9/10 | Paterson Weavers | Atlantic League | Paterson, NJ | |
| Bender | bender007--- | 1898 | 5/18-7/24+ | Portland | Pacific Northwest League | Portland, OR | |
| John Benner | benner001joh | 1898 | 5/13-5/21 | Rome Romans | New York State League | Rome, NY | |
| Bennett | bennet014--- | 1898 | San Francisco | Pacific Coast League | San Francisco, CA | ||
| Bennett | 1898 | 1 g. | San Francisco Metropolitans | California League | San Francisco, CA | ||
| Bennett | bennet023--- | 1898 | +6/15- | Oil City Oilers/Dunkirk-Fredonia | Iron and Oil League | Oil City, PA | |
| Allie Berg | berg--001all | 1898 | no g. | Quincy | Western Association | Quincy, IL | |
| Bill Bergen | bergen001wil | 1898 | 4/30-5/10 | Pawtucket Tigers | New England League | Pawtucket, RI | |
| Bill Bergen | bergen001wil | 1898 | 5/12-6/2 | Taunton Herrings | New England League | Taunton, MA | |
| Marty Bergen | bergen001mar | 1898 | 120 g. | Boston | National League | Boston, MA | |
| Benjamin Berger | berger001ben | 1898 | Olean | Iron and Oil League | Olean, NY | ||
| Tun Berger | berger001tun | 1898 | 4/30-6/14 | Norfolk Jewels | Atlantic League | Norfolk, VA | |
| Tun Berger | berger001tun | 1898 | 6/20-7/4 | Newark Colts | Atlantic League | Newark, NJ | |
| Tun Berger | berger001tun | 1898 | 7/17-8/21 | Newark Colts | Atlantic League | Newark, NJ | |
| Berkeley | berkel002--- | 1898 | +5/21+ | 27 g.+ | Fort Collins | Colorado State League | Fort Collins, CO |
| Berkeley | berkel002--- | 1898 | +6/18-9/11 | Glenwood Springs | Colorado State League | Glenwood Springs, CO | |
| W.H. Berkshire | berksh001w-- | 1898 | +5/18-5/31+ | Salem | Ohio State League | Salem, OH | |
| W.H. Berkshire | berksh001w-- | 1898 | 8/19-8/23 | Chatham Reds | Canadian League | Chatham, ON | |
| Curt Bernard | bernar001cur | 1898 | 4/30-7/4 | Fall River Indians | New England League | Fall River, MA | |
| Bill Bernhard | bernha001wil | 1898 | Dunville ON | Independent | Dunnville, ON | ||
| Hodge Berry | berry-000hod | 1898 | 4/25-5/11 | Youngstown Puddlers | Interstate League | Youngstown, OH | |
| Hodge Berry | berry-000hod | 1898 | 5/28-6/28 | Auburn Maroons | New York State League | Auburn, NY | |
| Harry Berte | berte-001har | 1898 | 4/28-6/27 | Ottumwa Giants | Western Association | Ottumwa, IA | |
| Harry Berte | berte-001har | 1898 | Atchison Huskers | Kansas State League | Atchison, KS | ||
| Shorty Berthold | bertho001sho | 1898 | 4/21-5/21 | Shreveport Grays | Southwestern League | Shreveport, LA | |
| Conrad Best | best--001con | 1898 | 5/6-9/10 | Danbury Hatters | Connecticut State League | Danbury, CT | |
| Fred Betts | betts-001fre | 1898 | 4/27-9/10 | Reading Coal Heavers | Atlantic League | Reading, PA | |
| William Betts | betts-001wil | 1898-99 | 16 g. | MLB Umpire | National League | , | |
| Carlton Beusse | beusse001car | 1898 | Albany | Independent | Albany, GA | ||
| Fred Beusse | 1898 | Albany | Independent | Albany, GA | |||
| Monte Beville | bevill001hen | 1898 | WiSt | , | |||
| Kid Bevis | bevis-001e-- | 1898 | 5/6-6/4 | Burlington Hawkeyes | Western Association | Burlington, IA | |
| Kid Bevis | bevis-001e-- | 1898 | Wichita Eagles | Kansas State League | Wichita, KS | ||
| Roy Bevis | bevis-001roy | 1898 | +4/11+ | Winfield KS | Independent | Winfield, KS | |
| Roy Bevis | bevis-001roy | 1898 | Wichita Eagles | Kansas State League | Wichita, KS | ||
| Ed Biecher | bieche001ed- | 1898 | 4/26-9/17 | Mansfield Haymakers | Interstate League | Mansfield, OH | |
| Ed Biecher | bieche001ed- | 1898 | -10/10 | 8 g. | Cleveland | National League | Cleveland, OH |
| Lou Bierbauer | bierba002lou | 1898 | - 4/30 | 4 g. | St. Louis | National League | St. Louis, MO |
| Lou Bierbauer | bierba002lou | 1898 | Erie PA | Independent | Erie, PA | ||
| Billet? | billet001--- | 1898 | 9/4 | Newark Colts | Atlantic League | Newark, NJ | |
| William Billings | billin001wil | 1898 | 1 g. | Oakland Reliance | Pacific Coast League | Oakland, CA | |
| William Billings | billin001wil | 1898 | 5 g. | Stockton | California League | Stockton, CA | |
| William Billings | billin001wil | 1898 | 38 g. | Stockton | Pacific Coast League | Stockton, CA | |
| William Billings | billin001wil | 1898 | Sacramento Gilt Edges | Pacific Coast League | Sacramento, CA | ||
| Bill Binga | binga-001wil | 1898 | Adrian Page Fence | Independent | Adrian, MI | ||
| Daniel Binnard | 1898 | +6/9+ | Colfax WA | Independent | Colfax, WA | ||
| Birg | birg--000--- | 1898 | 5/22-6/7 | Seattle | Pacific Northwest League | Seattle, WA | |
| Mike Birmingham | birmin001mic | 1898 | Bath | MeSt | Bath, NY | ||
| Mike Birmingham | birmin001mic | 1898 | 4/30-7/4 | Brockton Shoemakers | New England League | Brockton, MA | |
| Mike Birmingham | birmin001mic | 1898 | 69 g. | Paterson Weavers | Atlantic League | Paterson, NJ | |
| Mike Birmingham | birmin001mic | 1898 | -9/10 | Petersburg VA | Independent | Petersburg, VA | |
| Bishop | bishop008--- | 1898 | 8/23+ | Denver Grizzlies | Colorado State League | Denver, CO | |
| John Bishop | bishop001joh | 1898 | 4/30- | Norfolk Jewels | Atlantic League | Norfolk, VA | |
| John Bishop | bishop001joh | 1898 | 7/14 | Dayton Old Soldiers | Interstate League | Dayton, OH | |
| John Bishop | bishop001joh | 1898 | -9/6 | Richmond Bluebirds | Atlantic League | Richmond, VA | |
| Bitner | bitner001--- | 1898 | 8/9 | Lancaster Maroons | Atlantic League | Lancaster, PA | |
| Cornelius Black | black-001cor | 1898 | no g. | New Haven Blues | Connecticut State League | New Haven, CT | |
| George Black | black-001geo | 1898 | 6/22-6/23 | Saginaw Braves | International League | Saginaw, MI | |
| George Black | black-001geo | 1898 | +7/25-8/3+ | Umpire | Canadian | , | |
| George Blackburn | blackb001geo | 1898 | 4/29-7/7 | Syracuse Stars | Eastern League | Syracuse, NY | |
| George Blackburn | blackb001geo | 1898 | 7/9-7/11 | Utica Pent Ups | New York State League | Utica, NY | |
| George Blackburn | blackb001geo | 1898 | 7/13-7/16 | Rome Romans | New York State League | Rome, NY | |
| Harry Blake | blake-001har | 1898 | -10/9 | 136 g. | Cleveland | National League | Cleveland, OH |
| Blakeney | blaken001--- | 1898 | 5/4-5/21 | Bridgeport Orators | Connecticut State League | Bridgeport, CT | |
| Blakeney | blaken001--- | 1898 | +8/12 | Danbury Hatters | Connecticut State League | Danbury, CT | |
| John Blakeney | 1898 | no g. | Youngstown Puddlers | Interstate League | Youngstown, OH | ||
| Jeff Blakey | blakel001jef | 1898 | 4/30-5/12 | Taunton Herrings | New England League | Taunton, MA | |
| Jeff Blakey | blakel001jef | 1898 | Peabody MA | Independent | Peabody, MA | ||
| Gus Blanchard | blanch001gus | 1898 | 5/2-5/15+ | 32g. | Leadville | Colorado State League | Leadville, CO |
| Gus Blanchard | blanch001gus | 1898 | Aspen | Colorado State League | Aspen, CO | ||
| Fred Blanford | blanfo001f-- | 1898 | 5/8 | Omaha Omahogs/St. Joseph Saints | Western League | Omaha, NE | |
| Fred Blanford | blanfo001f-- | 1898 | 5/10-5/28 | St. Joseph Saints | Western Association | St. Joseph, MO | |
| Ed Blankenship | blanke001c-- | 1898 | SW | , | |||
| Bob Blewett | blewet001rob | 1898 | Beloit College | College | , | ||
| Bob Blewett | blewet001rob | 1898 | Lacker WI | Independent | Lacker, WI | ||
| Bob Blincoe | blinco001rob | 1898 | no g. | Atlanta Colts | Southern League | Atlanta, GA | |
| Bob Blincoe | blinco001rob | 1898 | 5/3-6/27 | Peoria Distillers | Western Association | Peoria, IL | |
| Dick Bliss | bliss-001dic | 1898 | 7 g. | San Francisco Athletics | Pacific Coast League | San Francisco, CA | |
| Dick Bliss | bliss-001dic | 1898 | 26 g. | Oakland Reliance | Pacific Coast League | Oakland, CA | |
| Jack Blondo | blondo000jac | 1898 | 5/18, 7/17 | Seattle | Pacific Northwest League | Seattle, WA | |
| Jack Blondo | blondo000jac | 1898 | -10/9 | Seattle | Pacific Northwest League | Seattle, WA | |
| E. C. Blue | 1898 | no g. | Charleston Seagulls | Southern League | Charleston, SC | ||
| E. C. Blue | 1898 | Uniontown | Independent | Uniontown, PA | |||
| E. C. Blue | 1898 | Pitt.-Irwin | Independent | Pittsburgh, PA | |||
| Elmer Blue | 1898 | , | |||||
| Frank Blue | 1898 | Celoron Acme Colored Giants | Iron and Oil League | Jamestown, NY | |||
| Frank Blue | 1898 | Celoron Acme Colored Giants | Iron and Oil League | Jamestown, NY | |||
| John Blue | blue--003joh | 1898 | 4/27-5/17 | Toledo Mud Hens | Interstate League | Toledo, OH | |
| Fred Bocock | bocock001--- | 1898 | 2 g. | Houston Buffaloes | Texas League | Houston, TX | |
| Fred Bocock | bocock001--- | 1898 | 1st TX Infantry Sgt., Co. A, | Span-Amer | , | ||
| Daniel Boland | boland001dan | 1898 | New Orleans Pelicans | Southern League | New Orleans, LA | ||
| Daniel Boland | boland001dan | 1898 | 5/5-7/4 | Port Huron Tigers | International League | Port Huron, MI | |
| Daniel Boland | boland001dan | 1898 | 7/7 | London Cockneys | International League | London, ON | |
| George Bone | bone--001geo | 1898 | Oakland Reliance | Pacific Coast League | Oakland, CA | ||
| George Bone | bone--001geo | 1898 | 4/30-7/4 | Pawtucket Tigers | New England League | Pawtucket, RI | |
| George Bone | bone--001geo | 1898 | 7/15-8/10 | Syracuse Stars | Eastern League | Syracuse, NY | |
| Boner | boner-002--- | 1898 | Mauch Chunk | Independent | Mauch Chunk, PA | ||
| Bonner | bonner004--- | 1898 | 5/21-5/26 | Rome Romans | New York State League | Rome, NY | |
| Frank Bonner | bonner001fra | 1898 | 4/29-7/12 | Rochester Patriots/Ottawa Wanderers | Eastern League | Rochester, NY | |
| Frank Bonner | bonner001fra | 1898 | 7/14-9/10 | Rochester Patriots/Ottawa Wanderers | Eastern League | Ottawa, ON | |
| Billy Booker | booker001bil | 1898 | Celoron Acme Colored Giants | Iron and Oil League | Jamestown, NY | ||
| Booth | booth-005--- | 1898 | 6/23 | Grand Rapids Cabinet Makers | Interstate League | Grand Rapids, MI | |
| Charles Booth | booth-001cha | 1898 | 6/2 | Williamsport | Central Pennsylvania League | Williamsport, PA | |
| George Borchers | borche001geo | 1898 | 5/18-7/9 | Portland | Pacific Northwest League | Portland, OR | |
| George Borchers | borche001geo | 1898 | 21 g. | Santa Cruz | Pacific Coast League | Santa Cruz, CA | |
| George Borchers | borche001geo | 1898 | Stockton | Pacific Coast League | Stockton, CA | ||
| George Borchers | borche001geo | 1898 | Fresno/Watsonville | Pacific Coast League | Fresno, CA | ||
| Bordes | bordes001--- | 1898 | +4/25-5/21 | Shreveport Grays | Southwestern League | Shreveport, LA | |
| Al Borland | borlan001al- | 1898 | Sacramento Gilt Edges | Pacific Coast League | Sacramento, CA | ||
| Al Borland | borlan001al- | 1898 | 34 g. | Sacramento Gilt Edges | Pacific Coast League | Sacramento, CA | |
| Borman | 1898 | Uniontown | Independent | Uniontown, PA | |||
| William Bott | bott--001wil | 1898 | 7/14 | Johnstown/Palmyra Mormans | New York State League | Palmyra, PA | |
| Billy Bottenus | botten001wil | 1898 | 4/25-7/3 | Hartford Cooperatives | Atlantic League | Hartford, CT | |
| Billy Bottenus | botten001wil | 1898 | 7/7-7/14 | Newark Colts | Atlantic League | Newark, NJ | |
| Billy Bottenus | botten001wil | 1898 | 7/28-9/2 | Utica Pent Ups | New York State League | Utica, NY | |
| Jim Bouldin | bouldi001jam | 1898 | Abilene | Independent | Abilene, KS | ||
| Jim Bouldin | bouldi001jam | 1898 | Topeka Giants | Kansas State League | Topeka, KS | ||
| Jim Bouldin | bouldi001jam | 1898 | June | Salina Blues | Kansas State League | Salina, KS | |
| Cy Bowen | bowen-001sut | 1898 | 4/25-7/7 | Hartford Cooperatives | Atlantic League | Hartford, CT | |
| Frank Bowerman | bowerm001fra | 1898 | 5 g. | Baltimore | National League | Baltimore, MD | |
| Frank Bowerman | bowerm001fra | 1898 | 69 g. | Pittsburgh | National League | Pittsburgh, PA | |
| Leon Bowley | bowley001leo | 1898 | 4/28-5/ - | 2 g. | Rock Island | Western Association | Rock Island, IL |
| Bowman | bowman013--- | 1898 | 2 g. | Galveston Sandcrabs | Texas League | Galveston, TX | |
| Bill Bowman | bowman001bil | 1898 | 4/10-5/11 | Mobile Blackbirds | Southern League | Mobile, AL | |
| Frank Bowman | bowman001fra | 1898 | 4/9-5/15 | Houston Buffaloes | Texas League | Houston, TX | |
| Arthur Boyd | boyd--002art | 1898 | U. of Toronto | College | , | ||
| Arthur Boyd | boyd--002art | 1898 | Stratford ON | Independent | Stratford, ON | ||
| Arthur Boyd | boyd--002art | 1898 | 9/8 | Rochester Patriots/Ottawa Wanderers | Eastern League | Ottawa, ON | |
| Frank Boyd | boyd--002fra | 1898 | 4/29-7/12 | Rochester Patriots/Ottawa Wanderers | Eastern League | Rochester, NY | |
| Frank Boyd | boyd--002fra | 1898 | 7/13-9/7 | Rochester Patriots/Ottawa Wanderers | Eastern League | Ottawa, ON | |
| Jake Boyd | boyd--001jak | 1898 | 4/30-6/20 | New Bedford Whalers/Worcester | New England League | New Bedford, MA | |
| Charles Boyers | boyer-001cha | 1898 | 4/14-5/19 | Charleston Seagulls | Southern League | Charleston, SC | |
| Boylan | boylan001--- | 1898 | 5/11-7/25 | Fort Collins | Colorado State League | Fort Collins, CO | |
| Boylan | boylan001--- | 1898 | 7/26-8/26+ | Leadville | Colorado State League | Leadville, CO | |
| Charles Boyle | boyle-001cha | 1898 | 15 g. | Allentown Peanuts | Atlantic League | Allentown, PA | |
| Eddie Boyle | boyle-001edd | 1898 | lay idle | , | |||
| Eddie Boyle | boyle-001edd | 1898 | no g. | Pittsburgh | National League | Pittsburgh, PA | |
| Jack Boyle | boyle-001jac | 1898 | 6 g. | Philadelphia | National League | Philadelphia, PA | |
| Paddy Boyle | boyle-001pad | 1898 | 4/14-5/19 | Augusta | Southern League | Augusta, GA | |
| Paddy Boyle | boyle-001pad | 1898 | 6/7-7/2 | Taunton Herrings | New England League | Taunton, MA | |
| Paddy Boyle | boyle-001pad | 1898 | 7/11-9/10 | Oswego Grays | New York State League | Oswego, NY | |
| Harry Brace | brace-001har | 1898 | NH-Branford | Independent | , NH | ||
| Harry Brace | brace-001har | 1898 | NH-Strouse-Adler | Independent | , NH | ||
| W.J. Braddock | braddo001w-- | 1898 | Milton | Central Pennsylvania League | Milton, PA | ||
| W.J. Braddock | braddo001w-- | 1898 | Williamsport | Central Pennsylvania League | Williamsport, PA | ||
| George Bradford | bradfo001geo | 1898 | 5/5-7/8 | Hamilton Hams | International League | Hamilton, ON | |
| George Bradford | bradfo001geo | 1898 | 7/14-8/30 | Hamilton Hams | Canadian League | Hamilton, ON | |
| Bradley | bradle035--- | 1898 | +7/13+ | Fort Collins | Colorado State League | Fort Collins, CO | |
| Bradley | bradle001--- | 1898 | 4/21-5/9 | Bonham | Southwestern League | Bonham, TX | |
| Bill Bradley | bradle004wil | 1898 | 7/6-9/10 | Auburn Maroons | New York State League | Auburn, NY | |
| Edward Bradley | bradle001edw | 1898 | 4/25-9/18 | Grand Rapids Cabinet Makers | Interstate League | Grand Rapids, MI | |
| Jerome Bradley | 1898 | 7/- | Greensburg | Independent | Greensburg, PA | ||
| Brady | brady-030--- | 1898 | 5/14-5/22+ | Denver Grizzlies | Colorado State League | Denver, CO | |
| Brady | brady-026--- | 1898 | 5/22 | Toronto Canucks | Eastern League | Toronto, ON | |
| Brady | 1898 | Union City | Independent | Union City, TN | |||
| George Brady | brady-001geo | 1898 | 4/25-5/11 | Montgomery Senators | Southern League | Montgomery, AL | |
| James Brady | brady-006jam | 1898 | +5/23+ | Warren | Iron and Oil League | Warren, PA | |
| Tom Brady | brady-001tho | 1898 | 5/12-5/20 | Springfield Ponies/Maroons | Eastern League | Springfield, MA | |
| C. F. Bragg | 1898 | 7/21-7/26 | Chatham Reds | Canadian League | Chatham, ON | ||
| Dick Braggins | braggi001ric | 1898-00 | Case West. Res. | College | , | ||
| Willie Brandt | brandt002wil | 1898 | no g. | Hartford Cooperatives | Atlantic League | Hartford, CT | |
| Willie Brandt | brandt002wil | 1898 | 5/4-6/6 | New Britain Rangers | Connecticut State League | New Britain, CT | |
| Kitty Bransfield | bransf001wil | 1898 | 4/30-5/21 | Brockton Shoemakers | New England League | Brockton, MA | |
| Kitty Bransfield | bransf001wil | 1898 | 5/30-7/4 | Newport Colts | New England League | Newport, RI | |
| Kitty Bransfield | bransf001wil | 1898 | 8/22- | 5 g. | Boston | National League | Boston, MA |
| Roy Brashear | brashe002roy | 1898 | 5/6-5/24 | St. Joseph Saints | Western Association | St. Joseph, MO | |
| Silver Braun | braun-005wil | 1898 | 4/30-9/10 | Providence Clamdiggers/Grays | Eastern League | Providence, RI | |
| Edwin Breckenridge | brecke002edw | 1898 | 5/13-6/2 | Taunton Herrings | New England League | Taunton, MA | |
| Edwin Breckenridge | brecke002edw | 1898 | Taunton Herrings | New England League | Taunton, MA | ||
| Jimmie Breen | breen-002jam | 1898 | 4/28-6/6 | Burlington Hawkeyes | Western Association | Burlington, IA | |
| Jimmie Breen | breen-002jam | 1898 | -6/27 | Peoria Distillers | Western Association | Peoria, IL | |
| Theodore Breitenstein | breite001the | 1898 | 41 g. | Cincinnati | National League | Cincinnati, OH | |
| Dan Breniff | brenif001dan | 1898 | 5/17-6/6+ | Wheeling Nailers | Ohio State League | Wheeling, WV | |
| John Brennan | 1898 | Umpire | Atl | , | |||
| John Brennan | brenna009joh | 1898 | 8/1-9/1 | New Haven Blues | Connecticut State League | New Haven, CT | |
| Charles Brenner | brenne001cha | 1898 | 7/11-7/16 | Newark Colts | Atlantic League | Newark, NJ | |
| John Breslin | bresli002joh | 1898 | 7/16-7/25 | Derby Angels | Connecticut State League | Derby, CT | |
| Roger Bresnahan | bresna001rog | 1898 | 5/20-5/30 | Toledo Mud Hens | Interstate League | Toledo, OH | |
| Roger Bresnahan | bresna001rog | 1898 | 7/25-8/2 | Minneapolis Millers | Western League | Minneapolis, MN | |
| Roger Bresnahan | bresna001rog | 1898 | 8/26 | Toledo Mud Hens | Interstate League | Toledo, OH | |
| Marvin Bridges | bridge002mar | 1898 | Co. D, 2nd Ark Pvt. | Span.-Amer | , | ||
| Jim Brierly | brierl001jam | 1898 | 5/9-5/10 | Louisville | Colorado State League | Louisville, CO | |
| Jim Brierly | brierl001jam | 1898 | 5/11-5/12 | Fort Collins | Colorado State League | Fort Collins, CO | |
| Jim Brierly | brierl001jam | 1898 | 5/14-7/7 | Louisville | Colorado State League | Louisville, CO | |
| Jim Brierly | brierl001jam | 1898 | 7/8-7/9 | Aspen | Colorado State League | Aspen, CO | |
| Jim Brierly | brierl001jam | 1898 | 7/11-8/24 | Fort Collins | Colorado State League | Fort Collins, CO | |
| Buttons Briggs | briggs001her | 1898 | 4 g. | Chicago | National League | Chicago, IL | |
| Buttons Briggs | briggs001her | 1898 | 5/25-5/30 | Columbus Buckeyes/Senators | Western League | Columbus, OH | |
| Buttons Briggs | briggs001her | 1898 | 8/14-9/20 | Detroit Tigers | Western League | Detroit, MI | |
| Bright | bright006--- | 1898 | 5/7-5/ | Pueblo | Colorado State League | Pueblo, CO | |
| Frank Brisbine | brisbi001fra | 1898 | Cpl., Co. G, 17th Reg. Infantry | Span-Amer | , | ||
| George Bristow | bristo002geo | 1898 | +4/28-5/8 | Hot Springs | Southwestern League | Hot Springs, AR | |
| George Bristow | bristo002geo | 1898 | 5/4-5/20 | 1st ARK Reg. | Span-Amer | , | |
| George Bristow | bristo002geo | 1898 | -9/5+ | Hot Springs | Southwestern League | Hot Springs, AR | |
| Albert Brittan | britta001alb | 1898 | 4 g. | Fresno | California League | Fresno, CA | |
| Albert Brittan | britta001alb | 1898 | 18 g. | Fresno/Watsonville | Pacific Coast League | Fresno, CA | |
| Billy Brockhoff | brockh001wil | 1898 | 3 g. | San Francisco | Pacific Coast League | San Francisco, CA | |
| Billy Brockhoff | brockh001wil | 1898 | 5 g. | Oakland Reliance | Pacific Coast League | Oakland, CA | |
| Billy Brockhoff | brockh001wil | 1898 | 41 g. | San Jose | Pacific Coast League | San Jose, CA | |
| Charlie Brockway | brockw000cha | 1898 | KsSt | , | |||
| Matt Broderick | broder001mat | 1898 | Mauch Chunk | Independent | Mauch Chunk, PA | ||
| Matt Broderick | broder001mat | 1898 | Villanova | College | , | ||
| William Broderick | broder001wil | 1898 | 6/2-7/3 | Fall River Indians | New England League | Fall River, MA | |
| James Brodie | brodie001jam | 1898 | 4/25-5/29 | Youngstown Puddlers | Interstate League | Youngstown, OH | |
| James Brodie | brodie001jam | 1898 | 6/2-9/17 | Fort Wayne Indians | Interstate League | Fort Wayne, IN | |
| Steve Brodie | brodie001wal | 1898 | 42 g. | Pittsburgh | National League | Pittsburgh, PA | |
| Steve Brodie | brodie001wal | 1898 | 23 g. | Baltimore | National League | Baltimore, MD | |
| Fred Brott | brott-001j-- | 1898 | no g. | Savannah | Southern League | Savannah, GA | |
| Fred Brott | brott-001j-- | 1898 | 6/6-9/17 | Mansfield Haymakers | Interstate League | Mansfield, OH | |
| Dan Brouthers | brouth001den | 1898 | 4/30-5/23 | Springfield Ponies/Maroons | Eastern League | Springfield, MA | |
| Dan Brouthers | brouth001den | 1898 | 6/6-7/9 | Toronto Canucks | Eastern League | Toronto, ON | |
| Brown | brown-142--- | 1898 | Atchison Huskers | Kansas State League | Atchison, KS | ||
| Brown | 1898 | Anaconda | MontSt | Anaconda, MT | |||
| Brown | brown-079--- | 1898 | Sunbury | Central Pennsylvania League | Sunbury, PA | ||
| Bill Brown | 1898 | 1 g. | San Francisco Metropolitans | California League | San Francisco, CA | ||
| Bill Brown | brown-002bil | 1898 | San Francisco | Pacific Coast League | San Francisco, CA | ||
| Bob Brown | brown-027rob | 1898 | U. S. Army | Span-Amer | , | ||
| Charles Brown | brown-021cha | 1898 | 4/26-6/8 | Dayton Old Soldiers | Interstate League | Dayton, OH | |
| Charles Brown | brown-020cha | 1898 | 7 g. | Dubuque Tigers | Western Association | Dubuque, IA | |
| Charlie Brown | brown-019cha | 1898 | 4/26-9/14 | Dayton Old Soldiers | Interstate League | Dayton, OH | |
| James Brown | brown-003jam | 1898 | 4/29-9/11 | Buffalo Bisons | Eastern League | Buffalo, NY | |
| John Brown | brown-018joh | 1898 | 7/22-9/19 | Columbus Buckeyes/Senators | Western League | Columbus, OH | |
| John Brown | brown-019joh | 1898 | 5/8-6/27 | Dubuque Tigers | Western Association | Dubuque, IA | |
| Mordecai Brown | brown-001mor | 1898 | Coxville IN | Independent | Coxville, IN | ||
| Red Brown | brown-001red | 1898 | Rockford IL | Independent | Rockford, IL | ||
| Tom Brown | brown-012tho | 1898 | 16 g. | Washington | National League | Washington, DC | |
| Tom Brown | brown-012tho | 1898 | 7/4- | 96 g. | MLB Umpire | National League | , |
| George Browne | browne001geo | 1898 | 4/28-6/27 | Dubuque Tigers | Western Association | Dubuque, IA | |
| George Browne | browne001geo | 1898 | Dubuque IA | S-pro | Dubuque, IA | ||
| Lou Bruce | bruce-001lou | 1898 | Atlantic City | Independent | Atlantic City, NJ | ||
| Frank Bruner | brunne001fra | 1898 | no g. | Indianapolis Hoosiers | Western League | Indianapolis, IN | |
| Geroge Bruner | bruner001law | 1898 | 5/3-5/8 | Youngstown Puddlers | Interstate League | Youngstown, OH | |
| Geroge Bruner | bruner001law | 1898 | +5/18-6/8 | Wheeling Nailers | Ohio State League | Wheeling, WV | |
| Geroge Bruner | bruner001law | 1898 | 6/24-7/3 | Toledo Mud Hens | Interstate League | Toledo, OH | |
| Bryden | 1898 | Topeka Giants | Kansas State League | Topeka, KS | |||
| Al Buckenberger | bucken001al- | 1898 | 4/28-8/18 | Syracuse Stars | Eastern League | Syracuse, NY | |
| Buckley | buckle010--- | 1898 | +5/16-7/11+ | Bradford Pirates | Iron and Oil League | Bradford, PA | |
| Buckley | buckle010--- | 1898 | Cape May | Independent | Cape May, NJ | ||
| Buckley | buckle004--- | 1898 | 7/31 | Syracuse Stars | Eastern League | Syracuse, NY | |
| Buckley | buckle017--- | 1898 | 8/6-8/15 | Johnstown/Palmyra Mormans | New York State League | Johnstown, PA | |
| Dick Buckley | buckle001dic | 1898 | 4/21-9/18 | Columbus Buckeyes/Senators | Western League | Columbus, OH | |
| Patrick Buckley | buckle001pat | 1898 | 5/4-9/10 | Meriden Bulldogs | Connecticut State League | Meriden, CT | |
| Harry Buckner | buckne002har | 1898 | Chicago Unions | Independent | Chicago, IL | ||
| Buell | 1898 | Derby Angels | Connecticut State League | Derby, CT | |||
| Buelow | 1898 | -9/20 | 41 g. | Portland | NE | Portland, ME | |
| Fritz Buelow | buelow001fre | 1898 | 5/4-7/4 | Pawtucket Tigers | New England League | Pawtucket, RI | |
| Fritz Buelow | buelow001fre | 1898 | 7/20-9/20 | Detroit Tigers | Western League | Detroit, MI | |
| J. Bulger | 1898 | no g. | Newark Colts | Atlantic League | Newark, NJ | ||
| Theodore Bullock | bulloc001the | 1898 | , | ||||
| Theodore Bullock | bulloc001the | 1898 | 6/10 | Bridgeport Orators | Connecticut State League | Bridgeport, CT | |
| George Bunker | 1898 | 3/26-4/24? | San Francisco | Pacific Coast League | San Francisco, CA | ||
| George Bunker | bunker000geo | 1898 | San Francisco Metropolitans | California League | San Francisco, CA | ||
| Joseph Burdett | burdet001jos | 1898 | 5/4-5/10+ | New Haven Blues | Connecticut State League | New Haven, CT | |
| William Burge | burge-001wil | 1898 | Santa Cruz | Pacific Coast League | Santa Cruz, CA | ||
| Burke | burke-022--- | 1898 | 8+ g. | Denver Grizzlies | Colorado State League | Denver, CO | |
| Burke | 1898 | +6/22-6/30+ | Oil City Oilers/Dunkirk-Fredonia | Iron and Oil League | Fredonia, NY | ||
| Burke | 1898 | -9/18 | Columbus Buckeyes/Senators | Western League | Columbus, OH | ||
| Eddie Burke | burke-002edd | 1898 | 4/21-7/10 | St. Paul Apostles/Saints | Western League | St. Paul, MN | |
| Eddie Burke | burke-002edd | 1898 | 8/27-9/20 | St. Paul Apostles/Saints | Western League | St. Paul, MN | |
| Jack Burke | 1898 | officer, US Army | Span-Amer | , | |||
| Jimmy Burke | burke-004jam | 1898 | 4/28-6/27 | Peoria Distillers | Western Association | Peoria, IL | |
| Jimmy Burke | burke-004jam | 1898 | 7/15-7/21 | Milwaukee Brewers/Creams | Western League | Milwaukee, WI | |
| Jimmy Burke | burke-004jam | 1898 | 7/24-9/19 | Minneapolis Millers | Western League | Minneapolis, MN | |
| Jimmy Burke | burke-004jam | 1898 | 10/6- | 13 g. | Cleveland | National League | Cleveland, OH |
| Joe Burke | burke-002joe | 1898 | 4/26-7/1 | Mansfield Haymakers | Interstate League | Mansfield, OH | |
| Joe Burke | burke-002joe | 1898 | Nashville TN? | Independent | Nashville, TN | ||
| Jesse Burkett | burket001jes | 1898 | 150 g. | Cleveland | National League | Cleveland, OH | |
| Larry Burner | 1898 | Dayton Old Soldiers | Interstate League | Dayton, OH | |||
| Burnett | burnet015--- | 1898 | +5/12-8/21+ | Fort Collins | Colorado State League | Fort Collins, CO | |
| Hercules Burnett | burnet003her | 1898 | 4/21-5/28 | Omaha Omahogs/St. Joseph Saints | Western League | Omaha, NE | |
| Hercules Burnett | burnet003her | 1898 | 6/9-7/14 | Fort Wayne Indians | Interstate League | Fort Wayne, IN | |
| Walter Burnham | burnha002wal | 1898 | 4/30-7/4 | Brockton Shoemakers | New England League | Brockton, MA | |
| Burns | 1898 | Pitt College | College | , | |||
| Burns | 1898 | New Kensington | Independent | New Kensington, PA | |||
| Burns | 1898 | 6/28-7/10 | Umpire | East | , | ||
| Bobby Burns | burns-002oli | 1898 | 4/14-5/19 | Augusta | Southern League | Augusta, GA | |
| Farmer Burns | burns-010jam | 1898 | Wash. & Jeff. | College | , | ||
| Jack Burns | burns-010joh | 1898 | Minn.-South Side | HighSchool | , | ||
| James Burns | burns-015jam | 1898 | W.NY-Field | Independent | , | ||
| James Burns | burns-015jam | 1898 | 5/14-6/11 | New London Whalers | Connecticut State League | New London, CT | |
| James Burns | burns-015jam | 1898 | Atlantic City | Independent | Atlantic City, NJ | ||
| John Burns | burns-012joh | 1898 | 7/22+ | Meriden Bulldogs | Connecticut State League | Meriden, CT | |
| Joseph Burns | 1898 | 4/30-5/26 | Taunton Herrings | New England League | Taunton, MA | ||
| Pete Burns | burns-001pet | 1898 | Adrian Page Fence | Independent | Adrian, MI | ||
| Thomas Burns | burns-001oys | 1898 | 7/7-7/20 | Newark Colts | Atlantic League | Newark, NJ | |
| Tom Burns | burns-001tom | 1898 | g. | Chicago | National League | Chicago, IL | |
| Frank Burrell | burrel001bus | 1898 | 4/28-9/10 | Syracuse Stars | Eastern League | Syracuse, NY | |
| Ad Burris | burris002a-- | 1898 | 4/22-4/30 | New Orleans Pelicans | Southern League | New Orleans, LA | |
| Ad Burris | burris002a-- | 1898 | 5/5 | Mobile Blackbirds | Southern League | Mobile, AL | |
| Ad Burris | burris002a-- | 1898 | +6/5+ | Galena | Mo-Ks | Galena, KS | |
| Danny Burt | burt--001dan | 1898 | 5/24-6/8 | Fort Wayne Indians | Interstate League | Fort Wayne, IN | |
| Danny Burt | burt--001dan | 1898 | Piqua OH | Independent | Piqua, OH | ||
| Harry Burton | burton007--- | 1898 | Anaconda | Independent | Anaconda, MT | ||
| F. W. Bushnell | 1898 | 3/27-4/24 | San Francisco Athletics | Pacific Coast League | San Francisco, CA | ||
| F. W. Bushnell | 1898 | 4/30-12/11 | San Francisco Athletics | Pacific Coast League | San Francisco, CA | ||
| Harry Bussey | bussey001har | 1898 | 5/5-7/5 | St. Thomas Saints | International League | St. Thomas, ON | |
| Harry Bussey | bussey001har | 1898 | 7/13-9/20 | St. Thomas Saints | Canadian League | St. Thomas, ON | |
| Dick Butler | butler001dic | 1898 | 5/2-9/11 | Montreal Royals | Eastern League | Montreal, QC | |
| Frank Butler | butler003fra | 1898 | 4/21-7/4 | Columbus Buckeyes/Senators | Western League | Columbus, OH | |
| Ike Butler | butler001isa | 1898 | 5/12-6/2 | Burlington Hawkeyes | Western Association | Burlington, IA | |
| Ike Butler | butler001isa | 1898 | 6/13-6/21 | Omaha Omahogs/St. Joseph Saints | Western League | Omaha, NE | |
| John Butler | butler002joh | 1898-01 | St. John's(Fordham) | College | , | ||
| John Buttermore | butter001joh | 1898 | 4/25-9/10 | Lancaster Maroons | Atlantic League | Lancaster, PA | |
| Buttorff | buttor001--- | 1898 | +5/14-8/21+ | Fort Collins | Colorado State League | Fort Collins, CO | |
| Bill Byers | byers-002jam | 1898 | 4/14-5/16 | New Orleans Pelicans | Southern League | New Orleans, LA | |
| Bill Byers | byers-002jam | 1898 | 5/27-6/25 | Dayton Old Soldiers | Interstate League | Dayton, OH | |
| John Cahill | cahill006joh | 1898 | Umpire | Tx | , | ||
| Cain | cain--010--- | 1898 | 5/7-5/? | Pueblo | Colorado State League | Pueblo, CO | |
| Cain | cain--001--- | 1898 | 8/12-8/14+ | Denver Grizzlies | Colorado State League | Denver, CO | |
| George Cain | cain--002geo | 1898 | 5/4-9/5 | Danbury Hatters | Connecticut State League | Danbury, CT | |
| George Cain | cain--008--- | 1898 | 6/28-7/11 | New London Whalers | Connecticut State League | New London, CT | |
| Garah Caldwell | caldwe000gar | 1898 | +7/3+ | Concord NC | Independent | Concord, NC | |
| Dave Calhoun | calhou001dav | 1898 | 4/27-9/10 | Newark Colts | Atlantic League | Newark, NJ | |
| Will Calihan | caliha001wil | 1898 | 4/15-5/14 | Atlanta Colts | Southern League | Atlanta, GA | |
| Callahan | callah021--- | 1898 | Wichita Eagles | Kansas State League | Wichita, KS | ||
| Jimmy Callahan | callah002jam | 1898 | 43 g. | Chicago | National League | Chicago, IL | |
| John Callahan | callah004joh | 1898 | 5/6-6/8 | Bay City Sugar Citys | International League | Bay City, MI | |
| John Callahan | callah004joh | 1898 | Moberly MO | Independent | Moberly, MO | ||
| John Callahan | callah004joh | 1898 | 9/3-9/4 | 2 g. | St. Louis | National League | St. Louis, MO |
| Henry Callback | callba001hen | 1898 | 5/4-5/12 | Bridgeport Orators | Connecticut State League | Bridgeport, CT | |
| Callister | callis002--- | 1898 | 5/7 | Saginaw Braves | International League | Saginaw, MI | |
| Lew Camp | camp--001lew | 1898 | 5/17 - | 18 g. | St. Joseph Saints | Western Association | St. Joseph, MO |
| R. Camp | camp--001r-- | 1898 | 5/4-7/27 | Waterbury Pirates | Connecticut State League | Waterbury, CT | |
| Count Campau | campau001cha | 1898 | 4/23-7/11 | Minneapolis Millers | Western League | Minneapolis, MN | |
| Count Campau | campau001cha | 1898 | 7/12-8/21 | St. Paul Apostles/Saints | Western League | St. Paul, MN | |
| Count Campau | campau001cha | 1898 | 8/26-9/20 | Kansas City Blues | Western League | Kansas City, MO | |
| Campbell | campbe077--- | 1898 | Tacoma | Pacific Northwest League | Tacoma, WA | ||
| Billy Campbell | campbe004wil | 1898 | 4/25-6/23 | Grand Rapids Cabinet Makers | Interstate League | Grand Rapids, MI | |
| Frank Campbell | campbe001fra | 1898 | Olean | Iron and Oil League | Olean, NY | ||
| Frank Campbell | campbe001fra | 1898 | Oil City Oilers/Dunkirk-Fredonia | Iron and Oil League | Oil City, PA | ||
| Frank Campbell | campbe001fra | 1898 | Butler | Independent | Butler, PA | ||
| George Campbell | campbe005geo | 1898 | 3/26-4/24 | Stockton | California League | Stockton, CA | |
| George Campbell | campbe005geo | 1898 | Stockton | Pacific Coast League | Stockton, CA | ||
| Thomas Campbell | campbe005tho | 1898 | 4/26- | Fort Wayne Indians | Interstate League | Fort Wayne, IN | |
| Thomas Campbell | campbe005tho | 1898 | 5/4-7/22+ | New Britain Rangers | Connecticut State League | New Britain, CT | |
| Jim Canavan | canava001jim | 1898 | 4/30-9/11 | Providence Clamdiggers/Grays | Eastern League | Providence, RI | |
| Joe Cantillon | cantil001jos | 1898 | 4/21-9/19 | Umpire | West | , | |
| Carey | carey-016--- | 1898 | New London Whalers | Connecticut State League | New London, CT | ||
| Carey | carey-011--- | 1898 | +7/13+ | Fort Collins | Colorado State League | Fort Collins, CO | |
| George Carey | carey-002geo | 1898 | 8 g. | Louisville | National League | Louisville, KY | |
| George Carey | carey-002geo | 1898 | 5/14-9/19 | Minneapolis Millers | Western League | Minneapolis, MN | |
| Will Carey | carey-005wil | 1898 | 6/24-7/7 | London Cockneys | International League | London, ON | |
| Will Carey | carey-005wil | 1898 | 7/13-9/20 | London Cockneys | Canadian League | London, ON | |
| Ed Carfrey | carfre001ed- | 1898 | Media | Independent | Media, PA | ||
| Bobby Cargo | cargo-001bob | 1898 | 5/13-9/10 | Canandaigua Giants | New York State League | Canandaigua, NY | |
| Chick Cargo | cargo-001cha | 1898 | 5/13-9/10 | Oswego Grays | New York State League | Oswego, NY | |
| Fred Cargo | cargo-001fre | 1898 | 5/21-6/3+ | Williamsport | Central Pennsylvania League | Williamsport, PA | |
| Fred Cargo | cargo-001fre | 1898 | 8/7 | Johnstown/Palmyra Mormans | New York State League | Johnstown, PA | |
| Carille | carill001--- | 1898 | 5/7-5/ | Pueblo | Colorado State League | Pueblo, CO | |
| George Carisch | carris001geo | 1898 | 5/10-5/22 | Quincy | Western Association | Quincy, IL | |
| John Carlin | carlin002joh | 1898 | 5/13-9/9 | Umpire | NYSt | , | |
| R.E. Carnahan | carnah001r-- | 1898 | 5/5-6/2 | Port Huron Tigers | International League | Port Huron, MI | |
| Carnes | carnes001--- | 1898 | +4/27+ | Hot Springs | Southwestern League | Hot Springs, AR | |
| Bill Carney | carney002wil | 1898 | 5/2-5/10 | St. Paul Apostles/Saints | Western League | St. Paul, MN | |
| Bill Carney | carney002wil | 1898 | 5/25-6/27 | Dubuque Tigers | Western Association | Dubuque, IA | |
| Bill Carney | carney002wil | 1898 | 9/2-9/4 | Omaha Omahogs/St. Joseph Saints | Western League | St. Joseph, MO | |
| Bill Carney | carney002wil | 1898 | 9/14 | Kansas City Blues | Western League | Kansas City, MO | |
| Jack Carney | carney002joh | 1898 | 4/30-6/7 | Toronto Canucks | Eastern League | Toronto, ON | |
| Carr | carr--010--- | 1898 | Olean | Iron and Oil League | Olean, NY | ||
| Charlie Carr | carr--001cha | 1898 | Lehigh or Vermont | College | , | ||
| Charlie Carr | carr--001cha | 1898 | 4/30-5/11 | Taunton Herrings | New England League | Taunton, MA | |
| Charlie Carr | carr--001cha | 1898 | Atlantic City | Independent | Atlantic City, NJ | ||
| Charlie Carr | carr--001cha | 1898 | 9/15- | 20 g. | Washington | National League | Washington, DC |
| John Carr | 1898-99 | U. No Carolina | College | , | |||
| Lew Carr | carr--001lew | 1898 | Moravia | Independent | Moravia, NY | ||
| Bill Carrick | carric001wil | 1898 | 5/1- | 21 g. | Newark Colts | Atlantic League | Newark, NJ |
| Bill Carrick | carric001wil | 1898 | 7/30- | 5 g. | New York | National League | New York, NY |
| Frank Carroll | carrol003fra | 1898 | 4/25-5/16 | Mobile Blackbirds | Southern League | Mobile, AL | |
| Frank Carroll | carrol005fra | 1898 | 6/24 | Tacoma | Pacific Northwest League | Tacoma, WA | |
| Fred Carroll | carrol001fre | 1898 | 5/18 | Omaha Omahogs/St. Joseph Saints | Western League | Omaha, NE | |
| Otto Carroll | carrol000ott | 1898 | 5/6-5/7 | Dayton Old Soldiers | Interstate League | Dayton, OH | |
| Carron | carron001--- | 1898 | +5/20+ | Salem | Ohio State League | Salem, OH | |
| Kid Carsey | carsey001wil | 1898 | 38 g. | St. Louis | National League | St. Louis, MO | |
| W.K. Carson | carson001w-- | 1898 | 5/14-6/10 | London Cockneys | International League | London, ON | |
| W.K. Carson | carson001w-- | 1898 | 7/9-9/16 | Grand Rapids Cabinet Makers | Interstate League | Grand Rapids, MI | |
| Carter | carter002--- | 1898 | Celoron Acme Colored Giants | Iron and Oil League | Jamestown, NY | ||
| Clarence Carter | 1898 | Chicago Unions | Independent | Chicago, IL | |||
| Cartwright | cartwr001--- | 1898 | +5/10-5/17+ | Denison | Southwestern League | Denison, TX | |
| Bob Caruthers | caruth001bob | 1898 | 5/17-5/20 | Burlington Hawkeyes | Western Association | Burlington, IA | |
| Bob Caruthers | caruth001bob | 1898 | 5/21-6/27 | Umpire | WestA | , | |
| Bob Caruthers | caruth001bob | 1898 | 7/5-8/2 | Umpire | West | , | |
| Casey | casey-012--- | 1898 | +7/3-8/25+ | Glenwood Springs | Colorado State League | Glenwood Springs, CO | |
| James Casey | casey-002jam | 1898 | 4/30-9/10 | Toronto Canucks | Eastern League | Toronto, ON | |
| James Casey | casey-002jam | 1898 | 9/14- | 28 g. | Washington | National League | Washington, DC |
| Charles Cassell | cassel001cha | 1898 | Coshocton | Ohio State League | Coshocton, OH | ||
| Charles Cassell | cassel001cha | 1898 | 5/13-5/20 | Utica Pent Ups | New York State League | Utica, NY | |
| Howdy Cassiboine | cassib001how | 1898 | Oshkosh | WiSt | Oshkosh, WI | ||
| William J.? Cassiboine | 1898 | Fond du Lac WI | Independent | Fond du Lac, WI | |||
| Cassibone | cassib001--- | 1898 | 4/10-5/16 | Mobile Blackbirds | Southern League | Mobile, AL | |
| Pete Cassidy | cassid003pet | 1898 | 4/27-7/8 | Newark Colts | Atlantic League | Newark, NJ | |
| Pete Cassidy | cassid003pet | 1898 | 7/18-9/11 | Providence Clamdiggers/Grays | Eastern League | Providence, RI | |
| Castle | castle001--- | 1898 | 5/22-7/8 | Denver Grizzlies | Colorado State League | Denver, CO | |
| Lou Castro | castro001lou | 1898 | Manhattan Col. | College | , | ||
| Lou Castro | castro001lou | 1898 | 6/25-7/16 | Utica Pent Ups | New York State League | Utica, NY | |
| Lou Castro | castro001lou | 1898 | 8/31 | Auburn Maroons | New York State League | Auburn, NY | |
| Cates | cates-004--- | 1898 | +6/9- | Bradford Pirates | Iron and Oil League | Bradford, PA | |
| Eli Cates | cates-002eli | 1898 | 8/28-9/18 | Toledo Mud Hens | Interstate League | Toledo, OH | |
| William Cathey | cathey001wil | 1898 | +4/30-5/2+ | Little Rock | Southwestern League | Little Rock, AR | |
| Cavanaugh | cavana010--- | 1898 | +6/20+ | Aspen | Colorado State League | Aspen, CO | |
| Cavanaugh | cavana005--- | 1898 | +7/18-8/14+ | Glenwood Springs | Colorado State League | Glenwood Springs, CO | |
| Cavander | cavand001--- | 1898 | +5/12-5/14+ | Denison | Southwestern League | Denison, TX | |
| Charles Cavell | cavell001cha | 1898 | 4/25-9/10 | Hartford Cooperatives | Atlantic League | Hartford, CT | |
| William Caverly | caverl001wil | 1898 | 6 g. | Sacramento Gilt Edges | California League | Sacramento, CA | |
| Chamberlain | chambe021--- | 1898 | 9/19-9/20 | Chatham Reds | Canadian League | Chatham, ON | |
| Brownie Chamberlain | chambe001c-- | 1898 | 4/9- | 23 g. | Houston Buffaloes | Texas League | Houston, TX |
| Brownie Chamberlain | chambe001c-- | 1898 | +6/27-8/19+ | Atchison Huskers | Kansas State League | Atchison, KS | |
| Brownie Chamberlain | chambe001c-- | 1898 | Hamburg IA | Independent | Harrisburg, IA | ||
| Brownie? Chamberlain | 1898 | Topeka Giants | Kansas State League | Topeka, KS | |||
| Frank Chambers | chambe003fra | 1898 | no g. | Peoria Distillers | Western Association | Peoria, IL | |
| Frank Chance | chance001fra | 1898 | 5 g. | Fresno/Watsonville | Pacific Coast League | Watsonville, CA | |
| Frank Chance | chance001fra | 1898 | 4/29- | 53 g. | Chicago | National League | Chicago, IL |
| Chapman | 1898 | Norfolk Jewels | Atlantic League | Norfolk, VA | |||
| Jack Chapman | chapma002jac | 1898 | 5/4-9/10 | Meriden Bulldogs | Connecticut State League | Meriden, CT | |
| James Chard | chard-001jam | 1898 | no g. | Norfolk Jewels | Atlantic League | Norfolk, VA | |
| Young Charles | charle001you | 1898 | 5/19-6/17 | Canandaigua Giants | New York State League | Canandaigua, NY | |
| Gib Cheatum | cheatu001--- | 1898 | Wichita Eagles | Kansas State League | Wichita, KS | ||
| Gib Cheatum | cheatu001--- | 1898 | 5/27-7/30 | Aspen | Colorado State League | Aspen, CO | |
| Charlie Chech | chech-001cha | 1898 | WiSt? | , | |||
| Jack Chesbro | chesbr002joh | 1898 | 4/27-9/10 | Richmond Bluebirds | Atlantic League | Richmond, VA | |
| Edward Chesterfield | cheste001edw | 1898 | 6/25 | New London Whalers | Connecticut State League | New London, CT | |
| Frank Chilcott | chilco001fra | 1898 | +6/29-6/30+ | Oil City Oilers/Dunkirk-Fredonia | Iron and Oil League | Dunkirk, NY | |
| Cupid Childs | childs001cla | 1898 | 110 g. | Cleveland | National League | Cleveland, OH | |
| Pete Childs | childs001geo | 1898 | 4/25-9/10 | Hartford Cooperatives | Atlantic League | Hartford, CT | |
| Pearce Chiles | chiles001pea | 1898 | 4/25-9/10 | Lancaster Maroons | Atlantic League | Lancaster, PA | |
| William Chouquette | chouqu001wil | 1898 | +5/9-5/14+ | Denison | Southwestern League | Denison, TX | |
| William Clabby | clabby001wil | 1898 | 5/4-7/22+ | Derby Angels | Connecticut State League | Derby, CT | |
| William Clabby | clabby001wil | 1898 | +7/29-8/27 | New Haven Blues | Connecticut State League | New Haven, CT | |
| William Clabby | clabby001wil | 1898 | 8/31-9/10 | New London Whalers | Connecticut State League | New London, CT | |
| W. J. Clagle | 1898 | Toledo Mud Hens | Interstate League | Toledo, OH | |||
| Bill Clancy | clancy002wil | 1898 | Utica-Actives | Independent | Utica, NY | ||
| Charles Clancy | clancy001cha | 1898 | Batavia | Independent | Batavia, NY | ||
| William Clancy | clancy004wil | 1898 | 4/30-7/4 | Brockton Shoemakers | New England League | Brockton, MA | |
| William Clancy | clancy004wil | 1898 | 7/30-9/20 | Detroit Tigers | Western League | Detroit, MI | |
| Clark | clark-031--- | 1898 | 5/7-5/12 | Bay City Sugar Citys | International League | Bay City, MI | |
| Clark | clark-031--- | 1898 | 5/19-6/9 | St. Thomas Saints | International League | St. Thomas, ON | |
| Clark | clark-031--- | 1898 | 6/22-7/1 | London Cockneys | International League | London, ON | |
| Clark | clark-089--- | 1898 | 7/23-7/27 | Chatham Reds | Canadian League | Chatham, ON | |
| Ed Clark | clark-002ed- | 1898 | Umpire | Tx | , | ||
| Ed Clark | clark-002ed- | 1898 | 1 g. | Umpire | So | , | |
| Ed Clark | clark-002ed- | 1898 | Denison | Southwestern League | Denison, TX | ||
| Fred Clark | clark-003fre | 1898 | 5/18-7/22+ | Portland | Pacific Northwest League | Portland, OR | |
| Roy Clark | clark-002roy | 1898-01 | Brown University | College | , | ||
| Willie Clark | clark-013wil | 1898 | 57 g. | Pittsburgh | National League | Pittsburgh, PA | |
| Win Clark | clark-012wil | 1898 | no g. | Montreal Royals | Eastern League | Montreal, QC | |
| Win Clark | clark-012wil | 1898 | 5/6 | Springfield Ponies/Maroons | Eastern League | Springfield, MA | |
| Win Clark | clark-012wil | 1898 | 5/9-5/11 | Taunton Herrings | New England League | Taunton, MA | |
| Dad Clarke | clarke001dad | 1898 | Duquesne AC | Independent | Duquesne, PA | ||
| Dad Clarke | clarke001dad | 1898 | 1 g. | Louisville | National League | Louisville, KY | |
| Fred Clarke | clarke002fre | 1898 | 149 g. | Louisville | National League | Louisville, KY | |
| Henry Clarke | clarke001hen | 1898 | U. of Michigan | College | , | ||
| Henry Clarke | clarke001hen | 1898 | 2 g. | Chicago | National League | Chicago, IL | |
| Josh Clarke | clarke002jos | 1898 | 6/15- | 6 g. | Louisville | National League | Louisville, KY |
| William Clarke | clarke004wil | 1898 | 82 g. | Baltimore | National League | Baltimore, MD | |
| Walter Clarkson | clarks001wal | 1898-03 | Harvard Univ. | College | , | ||
| Fritz Clausen | clause001fri | 1898 | 4/26- | 32 g. | Lancaster Maroons | Atlantic League | Lancaster, PA |
| Clay | clay--003--- | 1898 | +5/14-6/26+ | Fort Collins | Colorado State League | Fort Collins, CO | |
| Harry Clayton | clayto001har | 1898 | +6/15- | Oil City Oilers/Dunkirk-Fredonia | Iron and Oil League | Oil City, PA | |
| Cleary | cleary004--- | 1898 | 5/13- | Bradford Pirates | Iron and Oil League | Bradford, PA | |
| Cleary | cleary003--- | 1898 | 6/1 | Lock Haven Normals/Maroons | Central Pennsylvania League | Lock Haven, PA | |
| Clements | clemen003--- | 1898 | 5/4 | Montgomery Senators | Southern League | Montgomery, AL | |
| Bill Clements | clemen004wil | 1898 | 5/6-7/12 | Meriden Bulldogs | Connecticut State League | Meriden, CT | |
| Bill Clements | clemen004wil | 1898 | 8/16-9/6 | Buffalo Bisons | Eastern League | Buffalo, NY | |
| Jack Clements | clemen001jac | 1898 | 99 g. | St. Louis | National League | St. Louis, MO | |
| George Cleve | cleve-001geo | 1898 | 4/27-7/30 | Allentown Peanuts | Atlantic League | Allentown, PA | |
| George Cleve | cleve-001geo | 1898 | 8/12-8/13 | Newark Colts | Atlantic League | Newark, NJ | |
| George Cleve | cleve-001geo | 1898 | 8/22-8/24 | Norfolk Jewels | Atlantic League | Norfolk, VA | |
| George Cleve | cleve-001geo | 1898 | 8/30-9/30 | Allentown Peanuts | Atlantic League | Allentown, PA | |
| Edward Cline | 1898 | 5/1-6/14 | Umpire | WestA | , | ||
| Billy Clingman | clingm001wil | 1898 | 154 g. | Louisville | National League | Louisville, KY | |
| Clymer | clymer001--- | 1898 | 5/21-6/1+ | Lock Haven Normals/Maroons | Central Pennsylvania League | Lock Haven, PA | |
| Bill Clymer | clymer001wil | 1898 | 4/29-7/12 | Rochester Patriots/Ottawa Wanderers | Eastern League | Rochester, NY | |
| Bill Clymer | clymer001wil | 1898 | 7/13-9/10 | Rochester Patriots/Ottawa Wanderers | Eastern League | Ottawa, ON | |
| Cochran | cochra008--- | 1898 | +5/12-5/15+ | Denison | Southwestern League | Denison, TX | |
| John Cochran | cochra004joh | 1898 | 5/2-5/11 | Buffalo Bisons | Eastern League | Buffalo, NY | |
| Jim Cockman | cockma001jam | 1898 | 4/27-9/10 | Reading Coal Heavers | Atlantic League | Reading, PA | |
| Billy Coffman | coffma001wil | 1898 | Milton | Central Pennsylvania League | Milton, PA | ||
| J.W. Cofforth | coffor000jw- | 1898 | 3/26-4/24 | Oakland Reliance | California League | Oakland, CA | |
| Dick Cogan | cogan-001dic | 1898 | 4/27-9/10 | Newark Colts | Atlantic League | Newark, NJ | |
| Charles Cogswell | cogswe003cha | 1898 | 4/27-6/9 | Springfield Governors | Interstate League | Springfield, OH | |
| Charles Cogswell | cogswe003cha | 1898 | 6/18 | Mansfield Haymakers | Interstate League | Mansfield, OH | |
| Charles Cogswell | cogswe003cha | 1898 | 6/26-7/18 | Youngstown Puddlers | Interstate League | Youngstown, OH | |
| Dory Cohen | cohen-001the | 1898 | 5/13-6/25 | Lyons | New York State League | Lyons, NY | |
| Dory Cohen | cohen-001the | 1898 | 6/29 | Canandaigua Giants | New York State League | Canandaigua, NY | |
| Tom Colcolough | colcol001tom | 1898 | 4/29-5/31 | Wilkes-Barre Coal Barons | Eastern League | Wilkes-Barre, PA | |
| Tom Colcolough | colcol001tom | 1898 | Amsterdam | Amsterdam, NY | |||
| Archie Cole | cole--001arc | 1898 | 4/28-6/8 | Cedar Rapids Rabbits | Western Association | Cedar Rapids, IA | |
| Archie Cole | cole--001arc | 1898 | -6/27 | Peoria Distillers | Western Association | Peoria, IL | |
| Charles Cole | cole--003cha | 1898 | 2 g. | Fort Worth Panthers | Texas League | Fort Worth, TX | |
| Charles Cole | cole--003cha | 1898 | Atchison Huskers | Kansas State League | Atchison, KS | ||
| Percy Coleman | colema001per | 1898 | 4/30-5/5 | Savannah | Southern League | Savannah, GA | |
| Percy Coleman | colema001per | 1898 | 5/14-5/19 | Birmingham Reds | Southern League | Birmingham, AL | |
| Percy Coleman | colema001per | 1898 | 6/21-7/2 | Grand Rapids Cabinet Makers | Interstate League | Grand Rapids, MI | |
| Percy Coleman | colema001per | 1898 | 1 g. | Cincinnati | National League | Cincinnati, OH | |
| Guy Colgate | 1898 | 4/21-5/ | Shreveport Grays | Southwestern League | Shreveport, LA | ||
| Harry Colliflower | collif001har | 1898 | 5/13-6/16 | Oswego Grays | New York State League | Oswego, NY | |
| Collins | collin068--- | 1898 | 5/14 | Bridgeport Orators | Connecticut State League | Bridgeport, CT | |
| Al Collins | collin001al- | 1898 | 5 g. | San Jose | California League | San Jose, CA | |
| Chub Collins | collin001chu | 1898 | 5/27-6/3 | Hamilton Hams | International League | Hamilton, ON | |
| Chub Collins | collin001chu | 1898 | 8/22-9/20 | Hamilton Hams | Canadian League | Hamilton, ON | |
| Fred Collins | collin004fre | 1898 | Celoron Acme Colored Giants | Iron and Oil League | Jamestown, NY | ||
| Jimmy Collins | collin003jam | 1898 | 152 g. | Boston | National League | Boston, MA | |
| Richard Collins | collin006ric | 1898 | 5/6-6/4 | St. Joseph Saints | Western Association | St. Joseph, MO | |
| Richard Collins | collin006ric | 1898 | 6/12-6/28 | Peoria Distillers | Western Association | Peoria, IL | |
| William Collins | collin011wil | 1898 | 6/27 | Utica Pent Ups | New York State League | Utica, NY | |
| Jim Collopy | collop001jam | 1898 | 6/7-8/10 | Lyons | New York State League | Lyons, NY | |
| Jim Collopy | collop001jam | 1898 | 8/23-9/11 | Springfield Ponies/Maroons | Eastern League | Springfield, MA | |
| Charlie Comiskey | comisk001cha | 1898 | 9/1-9/3 | St. Paul Apostles/Saints | Western League | St. Paul, MN | |
| Pete Comiskey | comisk000pet | 1898 | +5/26-6/12+ | Tacoma | Pacific Northwest League | Tacoma, WA | |
| Pete Comiskey | comisk000pet | 1898 | 6/15-7/31 | Seattle | Pacific Northwest League | Seattle, WA | |
| Bunk Congalton | congal001wil | 1898 | 5/5-7/8 | Hamilton Hams | International League | Hamilton, ON | |
| Bunk Congalton | congal001wil | 1898 | 7/13-9/20 | Hamilton Hams | Canadian League | Hamilton, ON | |
| Charles Conklin | conkli002cha | 1898 | Co. H, 159th IN Inf. | Span-Amer | , | ||
| Miles Conklin | conkli001mil | 1898 | 5/5-7/8 | Bay City Sugar Citys | International League | Bay City, MI | |
| Miles Conklin | conkli001mil | 1898 | 7/15-9/17 | Chatham Reds | Canadian League | Chatham, ON | |
| Bert Conn | conn--001alb | 1898 | Atlantic City | Independent | Atlantic City, NJ | ||
| Bert Conn | conn--001alb | 1898 | 9/16 | 1 g. | Philadelphia | National League | Philadelphia, PA |
| Ollie Conn | conn--001oli | 1898 | 4/9-5/9 | San Antonio Missionaries | Texas League | San Antonio, TX | |
| Frank Connaughton | connau001fra | 1898 | 5/6-9/8 | Kansas City Blues | Western League | Kansas City, MO | |
| Park Connell | 1898 | Malden MA | Independent | Malden, MA | |||
| Conner | conner001--- | 1898 | 6/29 | Auburn Maroons | New York State League | Auburn, NY | |
| Ed Conniff | connif001ed- | 1898 | 4/19 | Atlanta Colts | Southern League | Atlanta, GA | |
| Connolly | 1898 | 4 g. | San Francisco | Pacific Coast League | San Francisco, CA | ||
| M. Connolly | connol001m-- | 1898 | 5/4-5/10+ | New Haven Blues | Connecticut State League | New Haven, CT | |
| Thomas Connolly | 1898-00 | MLB Umpire | National League | , | |||
| Dennis Connor | 1898 | Blackstone | Independent | Blackstone, | |||
| Jim Connor | connor001jim | 1898 | 138 g. | Chicago | National League | Chicago, IL | |
| Joe Connor | connor002jos | 1898 | 5/4-9/10 | Waterbury Pirates | Connecticut State League | Waterbury, CT | |
| Roger Connor | connor001rog | 1898 | 5/4-9/10 | Waterbury Pirates | Connecticut State League | Waterbury, CT | |
| Connors | connor007--- | 1898 | 5/17 | Port Huron Tigers | International League | Port Huron, MI | |
| Bill Connors | connor001wil | 1898 | 4/28-6/27 | Peoria Distillers | Western Association | Peoria, IL | |
| Bill Connors | connor001bil | 1898 | +6/10-6/18+ | Spokane | Pacific Northwest League | Spokane, WA | |
| Ed Connors | connor002edw | 1898 | 4/29-5/28 | Reading Coal Heavers | Atlantic League | Reading, PA | |
| Ed Connors | connor002edw | 1898 | 6/16-6/17 | Rome Romans | New York State League | Rome, NY | |
| Conroy | conroy021--- | 1898 | 6/29-7/5 | New Britain Rangers | Connecticut State League | New Britain, CT | |
| Red Conroy | conroy001red | 1898 | 5/6-6/6 | Bridgeport Orators | Connecticut State League | Bridgeport, CT | |
| Red Conroy | conroy001red | 1898 | 6/10-7/23 | Derby Angels | Connecticut State League | Derby, CT | |
| Wid Conroy | conroy003wil | 1898 | 4/26-5/30 | Paterson Weavers | Atlantic League | Paterson, NJ | |
| Wid Conroy | conroy003wil | 1898 | 6/6-9/10 | New London Whalers | Connecticut State League | New London, CT | |
| Conway | conway004--- | 1898 | 5/4-7/30 | New London Whalers | Connecticut State League | New London, CT | |
| Charles Conwell | conwel001cha | 1898 | 5/5-7/8 | Hamilton Hams | International League | Hamilton, ON | |
| Charles Conwell | conwel001cha | 1898 | 7/14-9/20 | Hamilton Hams | Canadian League | Hamilton, ON | |
| Dan Coogan | coogan003dan | 1898 | 5/6-5/31 | Providence Clamdiggers/Grays | Eastern League | Providence, RI | |
| Dan Coogan | coogan003dan | 1898 | 7/1-7/4 | New Bedford Whalers/Worcester | New England League | Worcester, MA | |
| Eddie Cook | cook--002edw | 1898 | 4/21-5/9 | Denison | Southwestern League | Denison, TX | |
| Harry Cook | cook--002har | 1898 | 4/24-7/28 | Minneapolis Millers | Western League | Minneapolis, MN | |
| Fred Cooke | cooke-001fre | 1898 | 4/26-5/23 | Fort Wayne Indians | Interstate League | Fort Wayne, IN | |
| Fred Cooke | cooke-001fre | 1898 | 5/30-9/17 | Youngstown Puddlers | Interstate League | Youngstown, OH | |
| Duff Cooley | cooley001duf | 1898 | 149 g. | Philadelphia | National League | Philadelphia, PA | |
| Mel Cooley | cooley001mel | 1898 | Lebanon KS | Independent | Lebanon, KS | ||
| Jimmy Cooney | cooney002jim | 1898 | 4/30-9/11 | Providence Clamdiggers/Grays | Eastern League | Providence, RI | |
| William Cooney | cooney002wil | 1898 | 1 g. | Oakland Reliance | Pacific Coast League | Oakland, CA | |
| Perry Coons | coons-001per | 1898 | 5/7 | Burlington Hawkeyes | Western Association | Burlington, IA | |
| Perry Coons | coons-001per | 1898 | 6/16-9/10 | Oswego Grays | New York State League | Oswego, NY | |
| Cooper | 1898 | Uniontown | Independent | Uniontown, PA | |||
| George Cooper | cooper004geo | 1898 | 4/28-6/21 | Quincy | Western Association | Quincy, IL | |
| George Cooper | cooper004geo | 1898 | Salina Blues | Kansas State League | Salina, KS | ||
| George Cooper | cooper004geo | 1898 | 8/5-9/17 | Omaha Omahogs/St. Joseph Saints | Western League | St. Joseph, MO | |
| George Cooper | cooper004geo | 1898 | Salina Blues | Kansas State League | Salina, KS | ||
| Jimmy Cooper | cooper002jam | 1898 | 4/25-6/23 | Youngstown Puddlers | Interstate League | Youngstown, OH | |
| Tommy Cope | cope--001tho | 1898 | 4/28-6/25 | Quincy | Western Association | Quincy, IL | |
| G.W. Corbett | corbet001g-- | 1898 | 5/4-5/10+ | New Haven Blues | Connecticut State League | New Haven, CT | |
| James Corbett | corbet002jam | 1898 | 5/9 | Minneapolis Millers | Western League | Minneapolis, MN | |
| James Corbett | corbet002jam | 1898 | 6/26 | Fall River Indians | New England League | Fall River, MA | |
| James Corbett | corbet002jam | 1898 | 6/27 | Taunton Herrings | New England League | Taunton, MA | |
| James Corbett | corbet002jam | 1898 | 6/28 | Fall River Indians | New England League | Fall River, MA | |
| Joe Corbett | corbet001jos | 1898 | Santa Clara | College | , | ||
| Joe Corbett | corbet001jos | 1898 | 1 g. | Oakland Reliance | Pacific Coast League | Oakland, CA | |
| Teddy Corbett | corbet001edw | 1898 | +5/25-7/31 | Seattle | Pacific Northwest League | Seattle, WA | |
| Teddy Corbett | corbet001edw | 1898 | -10/9 | Seattle | Pacific Northwest League | Seattle, WA | |
| Phil Corcoran | corcor001phi | 1898 | 6/14-9/8 | Bridgeport Orators | Connecticut State League | Bridgeport, CT | |
| Tommy Corcoran | corcor002tho | 1898 | 153 g. | Cincinnati | National League | Cincinnati, OH | |
| Corkland | corkla001--- | 1898 | +5/9+ | Denison | Southwestern League | Denison, TX | |
| Corliss | corlis002--- | 1898 | Portland | Pacific Northwest League | Portland, OR | ||
| Corrivan | corriv001--- | 1898 | +5/18+ | Salem | Ohio State League | Salem, OH | |
| Corrivan | corriv001--- | 1898 | 5/24-5/28+ | Massillon | Ohio State League | Massillon, OH | |
| George Corson | corson000geo | 1898 | 1Wisc, Co. E | Span-Amer | , | ||
| Cosgrove | 1898 | Homestead AC | Independent | Homestead, PA | |||
| Cosgrove | 1898 | Braddock Carnegie AC | Independent | Braddock, PA | |||
| Cosins | cosins001--- | 1898 | 5/7 | New London Whalers | Connecticut State League | New London, CT | |
| Costello | costel001--- | 1898 | 5/17 | Oswego Grays | New York State League | Oswego, NY | |
| Costello | costel001--- | 1898 | 8/8-8/15 | Johnstown/Palmyra Mormans | New York State League | Johnstown, PA | |
| Henry Cote | cote--002hen | 1898 | 4/25-9/18 | Grand Rapids Cabinet Makers | Interstate League | Grand Rapids, MI | |
| Cotter | cotter001--- | 1898 | 7/22 | Hartford Cooperatives | Atlantic League | Hartford, CT | |
| John Cotter | 1898 | Columbia Univ. | College | , | |||
| Digger Cotton | cotton001dig | 1898 | 5/14-8/23+ | Denver Grizzlies | Colorado State League | Denver, CO | |
| Bill Coughlin | coughl001wil | 1898 | 4/30-7/4 | Pawtucket Tigers | New England League | Pawtucket, RI | |
| Bill Coughlin | coughl001wil | 1898 | 7/10 | Providence Clamdiggers/Grays | Eastern League | Providence, RI | |
| Bill Coughlin | coughl001wil | 1898 | 7/18-9/10 | Wilkes-Barre Coal Barons | Eastern League | Wilkes-Barre, PA | |
| Coulter | coulte003--- | 1898 | 5/21-6/3+ | Lock Haven Normals/Maroons | Central Pennsylvania League | Lock Haven, PA | |
| John Counihan | counih001joh | 1898 | 7/1-7/4 | New Bedford Whalers/Worcester | New England League | Worcester, MA | |
| Courtmarsh | courtm001--- | 1898 | Williamsport | Central Pennsylvania League | Williamsport, PA | ||
| Ernie Courtney | courtn001edw | 1898 | 3 g. | Fresno | California League | Fresno, CA | |
| Ernie Courtney | courtn001edw | 1898 | 32 g. | Fresno/Watsonville | Pacific Coast League | Watsonville, CA | |
| George Courtney | courtn001geo | 1898 | 5/4-9/10 | Meriden Bulldogs | Connecticut State League | Meriden, CT | |
| Courts | courts001--- | 1898 | +4/30-5/14+ | Shreveport Grays | Southwestern League | Shreveport, LA | |
| Frank Cox | cox---003fra | 1898 | 5/6-6/25 | Umpire | CtSt | , | |
| Bill Coyle | coyle-001bil | 1898 | Braddock Carnegie AC | Independent | Braddock, PA | ||
| Tom Coyne | coyne-001tom | 1898 | Oil City Oilers/Dunkirk-Fredonia | Iron and Oil League | Oil City, PA | ||
| Ernest Crabill | crabil001ern | 1898 | 4/28-9/18 | Springfield Governors | Interstate League | Springfield, OH | |
| Crager | crager001--- | 1898 | 5/24 | Utica Pent Ups | New York State League | Utica, NY | |
| Cram | cram--001--- | 1898 | +5/22+ | Fort Collins | Colorado State League | Fort Collins, CO | |
| Cram | cram--001--- | 1898 | Loveland Co | Independent | Loveland, CO | ||
| Chick Crane | crane-001chi | 1898 | 4/14-5/3 | Atlanta Colts | Southern League | Atlanta, GA | |
| Jim Crane | crane-001jim | 1898 | 7 g. | Galveston Sandcrabs | Texas League | Galveston, TX | |
| Charles Crate | crate-001cha | 1898 | 5/4-7/25 | Derby Angels | Connecticut State League | Derby, CT | |
| Charles Crate | crate-001cha | 1898 | 7/29-9/7 | New London Whalers | Connecticut State League | New London, CT | |
| Jack Crawford | crawfo001joh | 1898 | 5/9-9/9 | Danbury Hatters | Connecticut State League | Danbury, CT | |
| Sam Crawford | crawfo001sam | 1898 | West Point NB | Independent | West Point, | ||
| Dave Creamer | creame002dav | 1898 | Umpire | Calif | , | ||
| Mark Creegan | creega001mar | 1898 | Diamond AC | Independent | , | ||
| Ed Cremer | cremer001ed- | 1898 | 7/2- | Greensburg | Independent | Greensburg, PA | |
| Lou Criger | criger001lou | 1898 | 84 g. | Cleveland | National League | Cleveland, OH | |
| Tommy Crinnion | crinni001tom | 1898 | Span-Amer | , | |||
| Pat Crisham | crisha002pat | 1898 | 4/30-9/11 | Providence Clamdiggers/Grays | Eastern League | Providence, RI | |
| Bill Cristall | crista001wil | 1898 | 5/13-5/24 | Rome Romans | New York State League | Rome, NY | |
| Bill Cristall | crista001wil | 1898 | 5/30-6/4 | Oswego Grays | New York State League | Oswego, NY | |
| Bill Cristall | crista001wil | 1898 | 9/19 | Chatham Reds | Canadian League | Chatham, ON | |
| Bill Cristall | crista001wil | 1898 | Woodst.-Bain | Independent | Woodstock, ON | ||
| Davey Crockett | crocke001dan | 1898 | 4/28- | 26 g. | Ottumwa Giants | Western Association | Ottumwa, IA |
| Harry Croft | croft-001hen | 1898 | Niagara U. | College | , | ||
| Harry Croft | croft-001hen | 1898 | 6/8-8/11 | Lyons | New York State League | Lyons, NY | |
| Harry Croft | croft-001hen | 1898 | 8/15 | Johnstown/Palmyra Mormans | New York State League | Johnstown, PA | |
| Harry Croft | croft-001hen | 1898 | 8/18-9/10 | Auburn Maroons | New York State League | Auburn, NY | |
| Jack Croghan | crogan001joh | 1898 | Wheeling Nailers | Ohio State League | Wheeling, WV | ||
| Jim Croibett | 1898 | 1 g. | San Francisco Athletics | Pacific Coast League | San Francisco, CA | ||
| Fred Crolius | croliu001fre | 1898-99 | Dartmouth Col. | College | , | ||
| George Croll | croll-001geo | 1898 | 8 g. | Oakland Reliance | Pacific Coast League | Oakland, CA | |
| Cronan | 1898 | 5/13-6/15 | Utica Pent Ups | New York State League | Utica, NY | ||
| Jack Cronin | cronin001joh | 1898 | 4/30-7/8 | Fall River Indians | New England League | Fall River, MA | |
| Jack Cronin | cronin001joh | 1898 | 4 g. | Pittsburgh | National League | Pittsburgh, PA | |
| Patsy Cronin | cronin001pat | 1898 | 5/24-6/10 | Rome Romans | New York State League | Rome, NY | |
| Jack Crooks | crooks001jac | 1898 | 72 g. | St. Louis | National League | St. Louis, MO | |
| Jack Crooks | crooks001jac | 1898 | 8/13-9/19 | Columbus Buckeyes/Senators | Western League | Columbus, OH | |
| Ad Cross | cross-001adr | 1898 | no g. | Youngstown Puddlers | Interstate League | Youngstown, OH | |
| Ad Cross | cross-001adr | 1898 | Bridgeport Orators | Connecticut State League | Bridgeport, CT | ||
| Lave Cross | cross-001laf | 1898 | 151 g. | St. Louis | National League | St. Louis, MO | |
| Lem Cross | cross-001lem | 1898 | 4/23-9/20 | St. Paul Apostles/Saints | Western League | St. Paul, MN | |
| Monte Cross | cross-001mon | 1898 | 149 g. | Philadelphia | National League | Philadelphia, PA | |
| Dan Crotty | crotty001dan | 1898 | 4/28-6/6 | Burlington Hawkeyes | Western Association | Burlington, IA | |
| Dan Crotty | crotty001dan | 1898 | 30 g. | Peoria Distillers | Western Association | Peoria, IL | |
| Charles Crowe | crowe-001cha | 1898 | 5/6-7/4 | London Cockneys | International League | London, ON | |
| Charles Crowe | crowe-001cha | 1898 | 7/13-9/20 | London Cockneys | Canadian League | London, ON | |
| Frank Crowe | crowe-001fra | 1898 | 5/28-6/6 | Utica Pent Ups | New York State League | Utica, NY | |
| Crowley | crowle009--- | 1898 | 8/5-8/6 | Norfolk Jewels | Atlantic League | Norfolk, VA | |
| Daniel Crowley | crowle001dan | 1898 | 3/26-4/9 | San Francisco Athletics | Pacific Coast League | San Francisco, CA | |
| Daniel Crowley | crowle001dan | 1898 | 4/10-4/24 | San Francisco Athletics | Pacific Coast League | San Francisco, CA | |
| Daniel Crowley | crowle001dan | 1898 | 4/30-12/11 | San Francisco Athletics | Pacific Coast League | San Francisco, CA | |
| Louis Cuddy | cuddy-001lou | 1898 | 7/4 | New Bedford Whalers/Worcester | New England League | Worcester, MA | |
| Louis Cuddy | cuddy-001lou | 1898 | Taunton Herrings | New England League | Taunton, MA | ||
| Charles Culver | culver002cha | 1898 | Lafayette Col. | College | , | ||
| Charles Culver | culver002cha | 1898 | 4/27-5/9 | Allentown Peanuts | Atlantic League | Allentown, PA | |
| Charles Culver | culver002cha | 1898 | 5/30-7/9 | Derby Angels | Connecticut State League | Derby, CT | |
| William Culver | culver002wil | 1898 | Mauch Chunk | Independent | Mauch Chunk, PA | ||
| William Culver | culver002wil | 1898 | 6/27-7/6 | Reading Coal Heavers | Atlantic League | Reading, PA | |
| Cy Cummings | cummin012--- | 1898-03 | Georgetown Univ | College | , | ||
| James Cummings | cummin004jam | 1898 | 5/9-5/13 | Fall River Indians | New England League | Fall River, MA | |
| Cunha | 1898 | 1 g. | San Jose | California League | San Jose, CA | ||
| Cunningham | cunnin003--- | 1898 | 9/5-9/9 | Waterbury Pirates | Connecticut State League | Waterbury, CT | |
| Bert Cunningham | cunnin001ell | 1898 | 44 g. | Louisville | National League | Louisville, KY | |
| H. Cunningham | cunnin001h-- | 1898 | 5/19-7/5 | Port Huron Tigers | International League | Port Huron, MI | |
| J. T. Cunningham | 1898 | CtSt | , | ||||
| Patrick Cunningham | cunnin001pat | 1898 | 6/23-7/23 | Bridgeport Orators | Connecticut State League | Bridgeport, CT | |
| George Cuppy | cuppy-001geo | 1898 | 18 g. | Cleveland | National League | Cleveland, OH | |
| David Curran | curran002dav | 1898 | Military Service | , | |||
| Sammy Curran | curran001sim | 1898 | Tufts College | College | , | ||
| Sammy Curran | curran001sim | 1898 | 6/14-7/20 | Lyons | New York State League | Lyons, NY | |
| Victor Currier | currie001vic | 1898 | 5/21-6/31 | Lock Haven Normals/Maroons | Central Pennsylvania League | Lock Haven, PA | |
| Wes Curry | curry-001wes | 1898 | 62 g. | MLB Umpire | National League | , | |
| Harry Curtis | 1898 | Celoron Acme Colored Giants | Iron and Oil League | Jamestown, NY | |||
| Harry Curtis | 1898 | 5/12-7/5 | Celoron Acme Colored Giants | Iron and Oil League | Jamestown, NY | ||
| Cusach | cusach001--- | 1898 | +4/26+ | Texarkana | Southwestern League | Texarkana, TX | |
| Charlie Cushman | cushma001cha | 1898 | -7/2 | 63 g. | MLB Umpire | National League | , |
| Charlie Cushman | cushma001cha | 1898 | 8/31-9/20 | Umpire | West | , | |
| Ernest Cushman | cushma001ern | 1898-99 | Colby College | College | , | ||
| Jack Cusisk | cusick001joh | 1898 | 5/19-9/10 | Meriden Bulldogs | Connecticut State League | Meriden, CT | |
| Custy | custy-001--- | 1898 | 5/4-5/12 | Meriden Bulldogs | Connecticut State League | Meriden, CT | |
| Custy | custy-001--- | 1898 | +7/25-9/10 | Meriden Bulldogs | Connecticut State League | Meriden, CT | |
| Bill Dahlen | dahlen001wil | 1898 | 142 g. | Chicago | National League | Chicago, IL | |
| William Dahlquist | dahlqu001wil | 1898 | +4/10+ | StPaul-Exports | Independent | St. Paul, MN | |
| Tom Daily | daily-000tom | 1898 | +6/3-7/31 | Tacoma | Pacific Northwest League | Tacoma, WA | |
| Eddie Daley | daley-001edw | 1898 | 4/27-7/5 | Newark Colts | Atlantic League | Newark, NJ | |
| Eddie Daley | daley-001edw | 1898 | 7/17-9/10 | Newark Colts | Atlantic League | Newark, NJ | |
| George Dalrymple | dalrym001geo | 1898 | 5/12-6/21 | Port Huron Tigers | International League | Port Huron, MI | |
| George Dalrymple | dalrym001geo | 1898 | 6/23-7/31 | Tacoma | Pacific Northwest League | Tacoma, WA | |
| Daly | daly--015--- | 1898 | 9/13-9/17 | Youngstown Puddlers | Interstate League | Youngstown, OH | |
| Tom Daly | daly--002tho | 1898 | 4/21-9/19 | Milwaukee Brewers/Creams | Western League | Milwaukee, WI | |
| Tom Daly | daly--002tho | 1898 | 23 g. | Brooklyn | National League | Brooklyn, NY | |
| Dalzell | 1898 | Braddock Carnegie AC | Independent | Braddock, PA | |||
| Bill Dammann | damman001bil | 1898 | 5/14-5/23 | Indianapolis Hoosiers | Western League | Indianapolis, IN | |
| Bill Dammann | damman001bil | 1898 | 35 g. | Cincinnati | National League | Cincinnati, OH | |
| Sam Damoth | damuth001sam | 1898 | 5/6-7/4 | Bay City Sugar Citys | International League | Bay City, MI | |
| John Daniels | daniel005joh | 1898 | +5/18-7/13+ | Warren | Iron and Oil League | Warren, PA | |
| Pete Daniels | daniel003pet | 1898 | -5/31 | 10 g. | St. Louis | National League | St. Louis, MO |
| Pete Daniels | daniel003pet | 1898 | 7/4 | Omaha Omahogs/St. Joseph Saints | Western League | Omaha, NE | |
| Danihy | danihy001--- | 1898 | 5/4-5/9+ | Meriden Bulldogs | Connecticut State League | Meriden, CT | |
| George Darby | darby-001geo | 1898 | 5/18-7/31 | Spokane | Pacific Northwest League | Spokane, WA | |
| Thomas Dark | dark--001tho | 1898 | no g. | Hamilton Hams | International League | Hamilton, ON | |
| Darragh | 1898 | Pitt.-Rochester | Independent | Pittsburgh, PA | |||
| Darwin | darwin001--- | 1898 | -9/10 | Waterbury Pirates | Connecticut State League | Waterbury, CT | |
| Dan Daub | daub--002dan | 1898 | 4/23-7/5 | Omaha Omahogs/St. Joseph Saints | Western League | Omaha, NE | |
| Dan Daub | daub--002dan | 1898 | 7/8-9/19 | Omaha Omahogs/St. Joseph Saints | Western League | St. Joseph, MO | |
| Charlie Daubenbis | dauben001cha | 1898 | 6 g. | Santa Cruz | Pacific Coast League | Santa Cruz, CA | |
| Charlie Daubenbis | dauben001cha | 1898 | 42 g. | Santa Cruz | Pacific Coast League | Santa Cruz, CA | |
| Ed Daubenbis | dauben001ed- | 1898 | 2 g. | Santa Cruz | Pacific Coast League | Santa Cruz, CA | |
| Ed Daubenbis | dauben001ed- | 1898 | 15 g. | Santa Cruz | Pacific Coast League | Santa Cruz, CA | |
| Davey | davey-007--- | 1898 | 5/30 | Portland | Pacific Northwest League | Portland, OR | |
| Davey | davey-007--- | 1898 | Sea.- P. I. | Seattle, WA | |||
| Davis | davis-019--- | 1898 | +5/13+ | Denison | Southwestern League | Denison, TX | |
| Davis | 1898 | E. Liverpool OH | Independent | East Liverpool, OH | |||
| Burt Davis | davis-001bur | 1898 | +5/29-9/3+ | Denver Grizzlies | Colorado State League | Denver, CO | |
| Elmer Davis | davis-002elm | 1898 | Johnstown/Palmyra Mormans | New York State League | Johnstown, PA | ||
| George Davis | davis-015geo | 1898 | 121 g. | New York | National League | New York, NY | |
| George Davis | davis-018geo | 1898 | 5/7 | Danbury Hatters | Connecticut State League | Danbury, CT | |
| George Davis | davis-018geo | 1898 | Media | Independent | Media, PA | ||
| H. Davis | 1898 | no g. | Grand Rapids Cabinet Makers | Interstate League | Grand Rapids, MI | ||
| Harry Davis | davis-006har | 1898 | 58 g. | Pittsburgh | National League | Pittsburgh, PA | |
| Harry Davis | davis-006har | 1898 | 37 g. | Louisville | National League | Louisville, KY | |
| Harry Davis | davis-006har | 1898 | 1 g. | Washington | National League | Washington, DC | |
| Ira Davis | davis-008j-- | 1898 | 5/4-8/5+ | Danbury Hatters | Connecticut State League | Danbury, CT | |
| James Davis | 1898 | no g. | Ottumwa Giants | Western Association | Ottumwa, IA | ||
| Lefty Davis | davis-001alf | 1898 | 4/27-6/16 | Detroit Tigers | Western League | Detroit, MI | |
| Lefty Davis | davis-001alf | 1898 | 6/18-9/19 | Minneapolis Millers | Western League | Minneapolis, MN | |
| Pop Davis | davis-001pop | 1898 | Centralia KS | Independent | Centralia, KS | ||
| Pop Davis | davis-001pop | 1898 | Gardner KS | Independent | Gardner, KS | ||
| Pop Davis | davis-001pop | 1898 | +9/1+ | Ottawa KS | Independent | Ottawa, KS | |
| Wiley Davis | davis-020wil | 1898 | 5/7 | Indianapolis Hoosiers | Western League | Indianapolis, IN | |
| Wiley Davis | davis-020wil | 1898 | 5/29-5/30 | Columbus Buckeyes/Senators | Western League | Columbus, OH | |
| Dawson | dawson001--- | 1898 | 5/?-7/30 | Aspen | Colorado State League | Aspen, CO | |
| Bill Day | day---001bil | 1898 | 5/2-6/20 | New Bedford Whalers/Worcester | New England League | New Bedford, MA | |
| Bill Day | day---001bil | 1898 | 7/1-7/4 | New Bedford Whalers/Worcester | New England League | Worcester, MA | |
| Eddie Day | day---001edd | 1898 | Celoron Acme Colored Giants | Iron and Oil League | Jamestown, NY | ||
| Dayton | dayton004--- | 1898 | 5/14-5/22+ | Denver Grizzlies | Colorado State League | Denver, CO | |
| Arthur Dea | dea---000art | 1898 | 5/18-7/31 | Seattle | Pacific Northwest League | Seattle, WA | |
| Edward Deady | deady-001edw | 1898 | 4/20-7/19 | Indianapolis Hoosiers | Western League | Indianapolis, IN | |
| Edward Deady | deady-001edw | 1898 | 8/25-9/19 | Omaha Omahogs/St. Joseph Saints | Western League | St. Joseph, MO | |
| Snake Deal | deal--002joh | 1898-06 | Villanova | College | , | ||
| Dean | dean--004--- | 1898 | 21 g. | Oakland Reliance | Pacific Coast League | Oakland, CA | |
| Beach Dean | dean--001bea | 1898 | 7 g. | Oakland Reliance | California League | Oakland, CA | |
| Jimmy Dean | dean--001jam | 1898 | 5/5-7/8 | Hamilton Hams | International League | Hamilton, ON | |
| Jimmy Dean | dean--001jam | 1898 | 7/13-9/20 | Hamilton Hams | Canadian League | Hamilton, ON | |
| Archie DeBaker | debake001art | 1898 | +9/25+ | Muskegon | Independent | Muskegon, MI | |
| George Decker | decker003geo | 1898 | 76 g. | St. Louis | National League | St. Louis, MO | |
| George Decker | decker003geo | 1898 | 42 g. | Louisville | National League | Louisville, KY | |
| Jacob Deisel | deisel001jac | 1898 | 5/13-9/10 | Cortland | New York State League | Cortland, NY | |
| John Deitrich | deitri001joh | 1898 | W.NY-Field | Independent | , | ||
| John Deitrich | deitri001joh | 1898 | +5/19-7/16 | Meriden Bulldogs | Connecticut State League | Meriden, CT | |
| John Deitrich | deitri001joh | 1898 | 7/18-9/1 | New Haven Blues | Connecticut State League | New Haven, CT | |
| Ed Delahanty | delaha001edw | 1898 | 144 g. | Philadelphia | National League | Philadelphia, PA | |
| Jim Delahanty | delaha001jam | 1898 | 4/10-5/11 | Montgomery Senators | Southern League | Montgomery, AL | |
| Jim Delahanty | delaha001jam | 1898 | 5/27-9/10 | Allentown Peanuts | Atlantic League | Allentown, PA | |
| Joe Delahanty | delaha001jos | 1898 | 4/26-6/12 | Paterson Weavers | Atlantic League | Paterson, NJ | |
| Joe Delahanty | delaha001jos | 1898 | 6/16-8/27 | Allentown Peanuts | Atlantic League | Allentown, PA | |
| Tom Delahanty | delaha001tho | 1898 | 4/27-5/9 | Newark Colts | Atlantic League | Newark, NJ | |
| Tom Delahanty | delaha001tho | 1898 | 5/20-9/10 | Allentown Peanuts | Atlantic League | Allentown, PA | |
| Bill Delaney | delane001bil | 1898 | Canton | Ohio State League | Canton, OH | ||
| James Delaney | delane005jam | 1898 | 5/13-7/13 | Cortland | New York State League | Cortland, NY | |
| Jimmy Delaney | delane004jam | 1898 | 4/14-5/18 | Mobile Blackbirds | Southern League | Mobile, AL | |
| Jimmy Delaney | delane004jam | 1898 | 6/7-9/9 | Oswego Grays | New York State League | Oswego, NY | |
| Mickey Delaney | delane002mic | 1898 | 5/4-7/29 | Waterbury Pirates | Connecticut State League | Waterbury, CT | |
| Mickey Delaney | delane002mic | 1898 | 8/5 | Danbury Hatters | Connecticut State League | Danbury, CT | |
| Thomas Delaney | delane001tho | 1898 | no g. | New London Whalers | Connecticut State League | New London, CT | |
| Chris. Delescamp | delesc001chr | 1898 | 5/4-7/27 | Waterbury Pirates | Connecticut State League | Waterbury, CT | |
| Edward Demills | demill001edw | 1898 | Wallingford | Independent | Wallingford, CT | ||
| Gene DeMontreville | demont001eug | 1898 | 151 g. | Baltimore | National League | Baltimore, MD | |
| Lee DeMontreville | demont002leo | 1898 | 4/26-5/2 | Fort Wayne Indians | Interstate League | Fort Wayne, IN | |
| Jack Dempsey | dempse003jac | 1898 | 5/4-5/21 | Bridgeport Orators | Connecticut State League | Bridgeport, CT | |
| Jimmy Dennie | dennie001jim | 1898 | 3 g. | Sacramento Gilt Edges | Pacific Coast League | Sacramento, CA | |
| Jimmy Dennie | dennie001jim | 1898 | 16 g. | Sacramento Gilt Edges | Pacific Coast League | Sacramento, CA | |
| Dennis | dennis010--- | 1898 | 7/13-7/14 | Minneapolis Millers | Western League | Minneapolis, MN | |
| Denny | denny-001--- | 1898 | 1 g. | Galveston Sandcrabs | Texas League | Galveston, TX | |
| Jerry Denny | denny-001jer | 1898 | 5/4-7/22+ | Derby Angels | Connecticut State League | Derby, CT | |
| Jerry Denny | denny-001jer | 1898 | 7/29-9/10 | Waterbury Pirates | Connecticut State League | Waterbury, CT | |
| Jerry Denny | denny-001jer | 1898 | 5/10? | Bridgeport Orators | Connecticut State League | Bridgeport, CT | |
| Dent | 1898 | Uniontown | Independent | Uniontown, PA | |||
| Roger Denzer | denzer001rog | 1898 | 4/21-9/19 | St. Paul Apostles/Saints | Western League | St. Paul, MN | |
| Jess Derrick | derric001jes | 1898 | 8/25 | Omaha Omahogs/St. Joseph Saints | Western League | St. Joseph, MO | |
| Billy Derwin | derwin001wil | 1898 | 5/4-9/10 | Waterbury Pirates | Connecticut State League | Waterbury, CT | |
| Charles DeSaulles | 1898 | Yale University | College | , | |||
| Charles DeSaulles | 1898 | Uniontown | Independent | Uniontown, PA | |||
| William Deveney | devinn001pun | 1898 | 4/14-5/15 | Savannah | Southern League | Savannah, GA | |
| John Deveraux | devera001joh | 1898 | 5/4-9/5 | New London Whalers | Connecticut State League | New London, CT | |
| William Devereaux | devere001wil | 1898 | 6 g. | Santa Cruz | Pacific Coast League | Santa Cruz, CA | |
| William Devereaux | devere001wil | 1898 | 42 g. | Santa Cruz | Pacific Coast League | Santa Cruz, CA | |
| Devine | 1898 | 1 g. | Sacramento Gilt Edges | California League | Sacramento, CA | ||
| Frank Devore | devore001fra | 1898 | 4/21-4/22 | Montgomery Senators | Southern League | Montgomery, AL | |
| Charlie Dexter | dexter002cha | 1898 | 112 g. | Louisville | National League | Louisville, KY | |
| Delphis Dextraze | dextra001del | 1898 | 5/13-5/21 | Utica Pent Ups | New York State League | Utica, NY | |
| Dickerson | dicker004--- | 1898 | 5/13 | Utica Pent Ups | New York State League | Utica, NY | |
| Emerson Dickerson | dicker001eme | 1898 | no g. | New Bedford Whalers/Worcester | New England League | New Bedford, MA | |
| Emerson Dickerson | dicker001eme | 1898 | 5/17-5/18 | Rome Romans | New York State League | Rome, NY | |
| King Dickson | dickso001ale | 1898 | U. of Penn Law | College | , | ||
| King Dickson | dickso001ale | 1898 | Greensburg | Independent | Greensburg, PA | ||
| William Diggins | diggin001wil | 1898 | 4/28-9/11 | Buffalo Bisons | Eastern League | Buffalo, NY | |
| Lee Dillard | dillar002pat | 1898 | no g. | Detroit Tigers | Western League | Detroit, MI | |
| Pat Dillard | dillar002pat | 1898 | 4/20-9/20 | Detroit Tigers | Western League | Detroit, MI | |
| Frank Dillon | dillon001fra | 1898 | 4/28-6/26 | Rock Island | Western Association | Rock Island, IL | |
| Bill Dinneen | dinnee001wil | 1898 | 4/22- | 32 g. | Washington | National League | Washington, DC |
| Bert Dinsmore | dinsmo001ber | 1898 | , | ||||
| William Dinsmore | dinsmo001wil | 1898 | 4/28 | Columbus Buckeyes/Senators | Western League | Columbus, OH | |
| William Dinsmore | dinsmo001wil | 1898 | 5/13-5/27 | Youngstown Puddlers | Interstate League | Youngstown, OH | |
| Eddie Dixon | dixon-002edw | 1898 | 4/23-9/19 | Minneapolis Millers | Western League | Minneapolis, MN | |
| John Dobbins | dobbin001j-- | 1898 | 6/26-7/10 | Reading Coal Heavers | Atlantic League | Reading, PA | |
| John Dobbins | dobbin001j-- | 1898 | 7/30-7/31 | Newark Colts | Atlantic League | Newark, NJ | |
| John Dobbins | dobbin001j-- | 1898 | 8/21 | Reading Coal Heavers | Atlantic League | Reading, PA | |
| John Dobbins | dobbin001j-- | 1898 | 8/31-9/1 | Newark Colts | Atlantic League | Newark, NJ | |
| John Dobbs | dobbs-001joh | 1898 | 4/26-9/18 | Springfield Governors | Interstate League | Springfield, OH | |
| H. Dobin | dobin-001h-- | 1898 | no g. | Springfield Ponies/Maroons | Eastern League | Springfield, MA | |
| Fred Doe | doe---002fre | 1898 | 5/11-6/18 | New Bedford Whalers/Worcester | New England League | New Bedford, MA | |
| Ed Doheny | doheny001edw | 1898 | 28 g. | New York | National League | New York, NY | |
| Doherty | dohert014--- | 1898 | 7/15-7/23 | Rochester Patriots/Ottawa Wanderers | Eastern League | Ottawa, ON | |
| Jack Doherty | dohert001joh | 1898 | 5/4-9/10 | Bridgeport Orators | Connecticut State League | Bridgeport, CT | |
| James Doherty | dohert004jam | 1898 | Honesdale PA | Independent | Honesdale, PA | ||
| Mike Doherty | dohert001mic | 1898 | 4/25- | Hartford Cooperatives | Atlantic League | Hartford, CT | |
| Mike Doherty | dohert001mic | 1898 | -9/10 | Allentown Peanuts | Atlantic League | Allentown, PA | |
| Cozy Dolan | dolan-001pat | 1898 | 5/2-9/11 | Springfield Ponies/Maroons | Eastern League | Springfield, MA | |
| Danny Dolan | dolan-002dan | 1898 | Shreveport Grays | Southwestern League | Shreveport, LA | ||
| George Dolan | dolan-001geo | 1898 | 5/13-7/21 | Lyons | New York State League | Lyons, NY | |
| George Dolan | dolan-001geo | 1898 | 7/26-7/30 | Johnstown/Palmyra Mormans | New York State League | Palmyra, PA | |
| George Dolan | dolan-001geo | 1898 | Gloversville | Independent | Gloversville, NY | ||
| Joe Dolan | dolan-001jos | 1898 | 4/26-5/14 | Detroit Tigers | Western League | Detroit, MI | |
| Joe Dolan | dolan-001jos | 1898 | 5/30-7/31 | Minneapolis Millers | Western League | Minneapolis, MN | |
| John Dolan | dolan-002joh | 1898 | 4/26-9/13 | Springfield Governors | Interstate League | Springfield, OH | |
| Billy Donaghy | donagh001bil | 1898 | Meadville | Iron and Oil League | Meadville, NY | ||
| Donahue | 1898 | 2 g. | Fresno | California League | Fresno, CA | ||
| Jiggs Donahue | donahu001joh | 1898 | 4/28-4/29 | Grand Rapids Cabinet Makers | Interstate League | Grand Rapids, MI | |
| Jiggs Donahue | donahu001joh | 1898 | 5/11-9/18 | Dayton Old Soldiers | Interstate League | Dayton, OH | |
| Red Donahue | donahu001fra | 1898 | 35 g. | Philadelphia | National League | Philadelphia, PA | |
| She Donahue | donahu002cha | 1898 | 5/13-6/29 | Oswego Grays | New York State League | Oswego, NY | |
| Thomas Donahue | donahu001tho | 1898 | 5/4-6/9 | Danbury Hatters | Connecticut State League | Danbury, CT | |
| Thomas Donahue | donahu001tho | 1898 | 8/19-9/3 | Meriden Bulldogs | Connecticut State League | Meriden, CT | |
| Tim Donahue | donahu001tim | 1898 | 122 g. | Chicago | National League | Chicago, IL | |
| Mike Donlin | donlin001mic | 1898 | 20 g. | San Jose | Pacific Coast League | San Jose, CA | |
| Mike Donlin | donlin001mic | 1898 | Santa Cruz | Pacific Coast League | Santa Cruz, CA | ||
| Mike Donlin | donlin001mic | 1898 | Fresno/Watsonville | Pacific Coast League | Watsonville, CA | ||
| Donnel | donnel001--- | 1898 | 6/4, 8/15 | Norfolk Jewels | Atlantic League | Norfolk, VA | |
| Donnelly | donnel005--- | 1898 | +5/28+ | Sunbury | Central Pennsylvania League | Sunbury, PA | |
| Frank Donnelly | donnel002fra | 1898 | 5/6-5/8 | Peoria Distillers | Western Association | Peoria, IL | |
| Frank Donnelly | donnel002fra | 1898 | 5/11-6/8 | Cedar Rapids Rabbits | Western Association | Cedar Rapids, IA | |
| Jim Donnelly | donnel002jim | 1898 | 1 g. | St. Louis | National League | St. Louis, MO | |
| Jim Donnelly | donnel002jim | 1898 | no g. | Rochester Patriots/Ottawa Wanderers | Eastern League | Rochester, NY | |
| Donovan | donova042--- | 1898 | 40 g. | Oakland Reliance | Pacific Coast League | Oakland, CA | |
| Bill Donovan | donova004wil | 1898 | 4/22- | 39 g. | Washington | National League | Washington, DC |
| Fred Donovan | donova002fre | 1898 | 4/26-5/2 | New Castle Quakers | Interstate League | New Castle, PA | |
| Fred Donovan | donova002fre | 1898 | 8/30-9/12 | Youngstown Puddlers | Interstate League | Youngstown, OH | |
| Jack Donovan | donova001jac | 1898 | 8 g. | Oakland Reliance | California League | Oakland, CA | |
| Patsy Donovan | donova001pat | 1898 | 147 g. | Pittsburgh | National League | Pittsburgh, PA | |
| Red Donovan | donova001red | 1898 | 1 g. | Wichita Eagles | Kansas State League | Wichita, KS | |
| Tom Donovan | donova002tho | 1898 | 5/4-7/15 | Meriden Bulldogs | Connecticut State League | Meriden, CT | |
| Red Dooin | dooin-001cha | 1898 | St. Xavier College | College | , | ||
| Red Dooin | dooin-001cha | 1898 | 5/12-6/8 | Ottumwa Giants | Western Association | Ottumwa, IA | |
| Charles Dooley | dooley001cha | 1898 | 4/30-9/11 | Montreal Royals | Eastern League | Montreal, QC | |
| Dooley/Dosin | 1898 | 6/30-7/11 | St. Paul Apostles/Saints | Western League | St. Paul, MN | ||
| Dooms | 1898 | no g. | Indianapolis Hoosiers | Western League | Indianapolis, IN | ||
| Dorn | dorn--001--- | 1898 | +5/28+ | Sunbury | Central Pennsylvania League | Sunbury, PA | |
| Luke Dorsey | dorsey001luk | 1898 | 5/13-9/10 | Danbury Hatters | Connecticut State League | Danbury, CT | |
| Herm Doscher | dosche001her | 1898 | 4/30-9/11 | Umpire | East | , | |
| Babe Doty | doty--001bab | 1898 | 7/1-7/7 | Saginaw Braves | International League | Saginaw, MI | |
| Babe Doty | doty--001bab | 1898 | 7/15 | Chatham Reds | Canadian League | Chatham, ON | |
| Patsy Dougherty | doughe002pat | 1898 | 4/27-6/4 | Dayton Old Soldiers | Interstate League | Dayton, OH | |
| Patsy Dougherty | doughe002pat | 1898 | +6/7-7/11+ | Olean | Iron and Oil League | Olean, NY | |
| Patsy Dougherty | doughe002pat | 1898 | 7/ | Bolivar | Independent | Bolivar, NY | |
| Patsy Dougherty | doughe002pat | 1898 | 7/19-9/2 | Canandaigua Giants | New York State League | Canandaigua, NY | |
| Charlie Douglass | dougla006cha | 1898 | 4/21- | Shreveport Grays | Southwestern League | Shreveport, LA | |
| Klondike Douglass | dougla004wil | 1898 | 146 g. | Philadelphia | National League | Philadelphia, PA | |
| James Dowd | dowd--002jam | 1898 | JC-Pacific AC | Independent | Jersey City, NJ | ||
| Tommy Dowd | dowd--001tho | 1898 | 139 g. | St. Louis | National League | St. Louis, MO | |
| Roy Dowers | dowers001roy | 1898 | Co. H, 3rd NBVI, U S Army | Span-Amer | , | ||
| Joe Dowie | dowie-001joe | 1898 | 4/14-5/16 | Savannah | Southern League | Savannah, GA | |
| Joe Dowie | dowie-001joe | 1898 | 5/17-5/19 | Mobile Blackbirds | Southern League | Mobile, AL | |
| Pete Dowling | dowlin001hen | 1898 | 36 g. | Louisville | National League | Louisville, KY | |
| Jim Downey | downey002jam | 1898 | 9/5-9/18 | Dayton Old Soldiers | Interstate League | Dayton, OH | |
| Joseph Downey | downey001jos | 1898 | 5/5-5/23 | Hamilton Hams | International League | Hamilton, ON | |
| Charles Doyle | doyle-002cha | 1898 | 5 g. | Sacramento Gilt Edges | Pacific Coast League | Sacramento, CA | |
| Charles Doyle | doyle-002cha | 1898 | 38 g. | Sacramento Gilt Edges | Pacific Coast League | Sacramento, CA | |
| Jack Doyle | doyle-002joh | 1898 | 43 g. | Washington | National League | Washington, DC | |
| Jack Doyle | doyle-002joh | 1898 | 82 g. | New York | National League | New York, NY | |
| Jake Drauby | drauby001jak | 1898 | 4/30-7/8 | Providence Clamdiggers/Grays | Eastern League | Providence, RI | |
| Bobby Drew | drew--001edw | 1898 | 5/4-9/10 | New London Whalers | Connecticut State League | New London, CT | |
| Charlie Drews | 1898 | 5 g. | San Francisco Athletics | Pacific Coast League | San Francisco, CA | ||
| Lew Drill | drill-001lew | 1898-00 | Hamline Univ. | College | , | ||
| Vianello Drinkwater | drinkw001via | 1898 | 5/13 | New Orleans Pelicans | Southern League | New Orleans, LA | |
| Ferd Drumm | drumm-001fer | 1898 | +5/18-5/30+ | Canton | Ohio State League | Canton, OH | |
| Pat Duff | duff--001pat | 1898 | 6/21-6/23 | Pawtucket Tigers | New England League | Pawtucket, RI | |
| Duffy | duffy-017--- | 1898 | 5/6-5/18 | St. Thomas Saints | International League | St. Thomas, ON | |
| Hugh Duffy | duffy-001hug | 1898 | 152 g. | Boston | National League | Boston, MA | |
| John Duffy | duffy-003joh | 1898 | 5/4-9/10 | New Haven Blues | Connecticut State League | New Haven, CT | |
| Dan Dugdale | dugdal001dan | 1898 | 5/26-7/15 | Seattle | Pacific Northwest League | Seattle, WA | |
| Bill Duggleby | duggle001wil | 1898 | 4/21- | 9 g. | Philadelphia | National League | Philadelphia, PA |
| Bill Duggleby | duggle001wil | 1898 | 6/5-9/9 | Wilkes-Barre Coal Barons | Eastern League | Wilkes-Barre, PA | |
| Jim Duncan | duncan001jim | 1898 | 5/10-5/23 | Springfield Ponies/Maroons | Eastern League | Springfield, MA | |
| Jim Duncan | duncan001jim | 1898 | 6/1-6/2 | New Britain Rangers | Connecticut State League | New Britain, CT | |
| Jim Duncan | duncan001jim | 1898 | 6/4-7/9 | Toronto Canucks | Eastern League | Toronto, ON | |
| Jim Duncan | duncan001jim | 1898 | 7/14-9/9 | Rome Romans | New York State League | Rome, NY | |
| Gus Dundon | dundon001aug | 1898 | 119 g. | Richmond Bluebirds | Atlantic League | Richmond, VA | |
| Sam Dungan | dungan001sam | 1898 | 4/20-9/20 | Detroit Tigers | Western League | Detroit, MI | |
| Davy Dunkle | dunkle001edw | 1898 | 12 g. | Philadelphia | National League | Philadelphia, PA | |
| Davy Dunkle | dunkle001edw | 1898 | 8/5-9/10 | Wilkes-Barre Coal Barons | Eastern League | Wilkes-Barre, PA | |
| Bill Dunleavy | dunlea001wil | 1898 | 8 g. | Sacramento Gilt Edges | Pacific Coast League | Sacramento, CA | |
| Bill Dunleavy | dunlea001wil | 1898 | 86 g. | San Francisco Athletics | Pacific Coast League | San Francisco, CA | |
| Jack Dunleavy | dunlea001joh | 1898 | 6/24-9/7 | Bridgeport Orators | Connecticut State League | Bridgeport, CT | |
| Dunn | dunn--032--- | 1898 | 5/16 | Johnstown/Palmyra Mormans | New York State League | Palmyra, PA | |
| Dunn | dunn--024--- | 1898 | 5/20-5/21 | Rome Romans | New York State League | Rome, NY | |
| Dunn | dunn--017--- | 1898 | Wichita Eagles | Kansas State League | Wichita, KS | ||
| Bert Dunn | dunn--005ber | 1898 | 4/9-4/30 | Dallas Colts | Texas League | Dallas, TX | |
| Jack Dunn | dunn--005joh | 1898 | 51 g. | Brooklyn | National League | Brooklyn, NY | |
| James Dunne | dunne-002jam | 1898 | Brown University | College | , | ||
| John Durham | 1898 | 5/17-6/5 | Canton | Ohio State League | Canton, OH | ||
| C.B. Durnell | durnel000cb- | 1898 | 5/18-5/29+ | Portland | Pacific Northwest League | Portland, OR | |
| Ike Durrett | durret001isa | 1898 | 4/25-6/21 | Grand Rapids Cabinet Makers | Interstate League | Grand Rapids, MI | |
| Ike Durrett | durret001isa | 1898 | 6/27-9/18 | Springfield Governors | Interstate League | Springfield, OH | |
| Frank Dwyer | dwyer-001fra | 1898 | 31 g. | Cincinnati | National League | Cincinnati, OH | |
| Joseph Dwyer | dwyer-002jos | 1898 | Villanova Col. | College | , | ||
| Joseph Dwyer | dwyer-002jos | 1898 | 6/28 | New Britain Rangers | Connecticut State League | New Britain, CT | |
| Bill Eagan | eagan-001bil | 1898 | -6/2 | 19 g. | Pittsburgh | National League | Pittsburgh, PA |
| Bill Eagan | eagan-001bil | 1898 | 6/19-7/14 | Syracuse Stars | Eastern League | Syracuse, NY | |
| Edward Eagan | eagan-001edw | 1898 | +6/3-7/31 | Tacoma | Pacific Northwest League | Tacoma, WA | |
| Pete Eagan | eagan-001pat | 1898 | 4/29-6/3 | Rochester Patriots/Ottawa Wanderers | Eastern League | Rochester, NY | |
| Pete Eagan | eagan-001pat | 1898 | 6/12-6/24 | Buffalo Bisons | Eastern League | Buffalo, NY | |
| Pete Eagan | eagan-001pat | 1898 | 6/29-9/10 | Utica Pent Ups | New York State League | Utica, NY | |
| Truck Eagan | eagan-001cha | 1898 | 8 g. | Oakland Reliance | Pacific Coast League | Oakland, CA | |
| Truck Eagan | eagan-001cha | 1898 | 42 g. | San Francisco Athletics | Pacific Coast League | San Francisco, CA | |
| Truck Eagan | eagan-001cha | 1898 | San Jose | Pacific Coast League | San Jose, CA | ||
| Bobby Eager | eager-001rob | 1898 | 1 g. | San Francisco Athletics | Pacific Coast League | San Francisco, CA | |
| Bill Eagle | eagle-001bil | 1898 | 5/13-7/9 | Auburn Maroons | New York State League | Auburn, NY | |
| Bill Eagle | eagle-001bil | 1898 | 8/20- | 4 g. | Washington | National League | Washington, DC |
| Howard Earl | earl--002how | 1898 | 4/28-7/11 | Syracuse Stars | Eastern League | Syracuse, NY | |
| Howard Earl | earl--002how | 1898 | 7/13-9/10 | Utica Pent Ups | New York State League | Utica, NY | |
| Billy Earle | earle-001bil | 1898 | enlisted 1stReg OH Vol. ("SL"5/11/98) | , | |||
| Earley | 1898 | Mauch Chunk | Independent | Mauch Chunk, PA | |||
| Early | early-005--- | 1898 | 17 g. | Fresno/Watsonville | Pacific Coast League | Fresno, CA | |
| Mal Eason | eason-001mal | 1898 | 5/13-9/9 | Auburn Maroons | New York State League | Auburn, NY | |
| Charlie Ebbets | ebbets001cha | 1898 | g. | Brooklyn | National League | Brooklyn, NY | |
| J.W. Eberhardt | eberha001j-- | 1898 | 5/17-6/7 | Oswego Grays | New York State League | Oswego, NY | |
| J.W. Eberhardt | eberha001j-- | 1898 | 6/26 | Utica Pent Ups | New York State League | Utica, NY | |
| Ebers | ebers-001--- | 1898 | 7/13 | Hamilton Hams | Canadian League | Hamilton, ON | |
| Hi Ebright | ebrigh001hi- | 1898 | 4/28- | 17 g. | St. Joseph Saints | Western Association | St. Joseph, MO |
| Hi Ebright | ebrigh001hi- | 1898 | 6/17-6/25 | Umpire | WestA | , | |
| Hi Ebright | ebrigh001hi- | 1898 | 7/25-9/9 | Umpire | Atl | , | |
| Hi Ebright | ebrigh001hi- | 1898 | 9/10 | Reading Coal Heavers | Atlantic League | Reading, PA | |
| Fred Eddy | eddy--001fre | 1898 | 5/5-7/7 | Saginaw Braves | International League | Saginaw, MI | |
| Edinberger/inger | edinge002--- | 1898 | +4/27-4/28+ | Hot Springs | Southwestern League | Hot Springs, AR | |
| Bob Edmondson | edmond002rob | 1898 | Kansas Univ. | College | , | ||
| Mays? Edmondson | 1898 | Westminster Col. | College | , | |||
| Mays? Edmondson | 1898 | Braddock Carnegie AC | Independent | Braddock, PA | |||
| George Edsall | edsall001geo | 1898 | +6/14-7/1+ | Celoron Acme Colored Giants | Iron and Oil League | Jamestown, NY | |
| George Edsall | edsall001geo | 1898 | Celoron Acme Colored Giants | Iron and Oil League | Jamestown, NY | ||
| Edwards | edward026--- | 1898 | 5/4 | Danbury Hatters | Connecticut State League | Danbury, CT | |
| Edwards | 1898 | 5 g. | Sacramento Gilt Edges | California League | Sacramento, CA | ||
| Harry Edwards | 1898 | 4/21-5/9 | Little Rock | Southwestern League | Little Rock, AR | ||
| Jack Egan | egan--001rip | 1898 | 5/2-9/9 | Providence Clamdiggers/Grays | Eastern League | Providence, RI | |
| Joseph Egan | egan--001jos | 1898 | 5/6 | Providence Clamdiggers/Grays | Eastern League | Providence, RI | |
| Joseph Egan | egan--001jos | 1898 | 5/9-5/20 | New Bedford Whalers/Worcester | New England League | New Bedford, MA | |
| Joseph Egan | egan--001jos | 1898 | 7/2 | New Bedford Whalers/Worcester | New England League | Worcester, MA | |
| Ned Egan | egan--001edw | 1898 | +4/10+ | StPaul-Exports | Independent | St. Paul, MN | |
| Rip Egan | egan--002joh | 1898 | 4/27-9/14 | Kansas City Blues | Western League | Kansas City, MO | |
| Charles Eggert | eggert001cha | 1898 | +5/20+ | Wheeling Nailers | Ohio State League | Wheeling, WV | |
| Red Ehret | ehret-001phi | 1898 | 13 g. | Louisville | National League | Louisville, KY | |
| Fritz Eichkoff | eichko001--- | 1898 | Pueblo | Colorado State League | Pueblo, CO | ||
| Kid Elberfeld | elberf001nor | 1898 | 5/30- | 14 g. | Philadelphia | National League | Philadelphia, PA |
| Kid Elberfeld | elberf001nor | 1898 | 7/18-9/15 | Detroit Tigers | Western League | Detroit, MI | |
| Claude Elliott | elliot001cla | 1898 | 6/18-6/26 | Detroit Tigers | Western League | Detroit, MI | |
| George Elliott | 1898 | no g. | Grand Rapids Cabinet Makers | Interstate League | Grand Rapids, MI | ||
| Ben Ellis | ellis-003ben | 1898 | 4/27 | Reading Coal Heavers | Atlantic League | Reading, PA | |
| Ben Ellis | ellis-003ben | 1898 | 5/25-7/14 | Rome Romans | New York State League | Rome, NY | |
| Ben Ellis | ellis-003ben | 1898 | 7/16-9/10 | Utica Pent Ups | New York State League | Utica, NY | |
| Charles Elsey | elsey-001cha | 1898 | 4/30-5/12 | Montreal Royals | Eastern League | Montreal, QC | |
| Charles Elsey | elsey-001cha | 1898 | 5/14-5/27 | Rochester Patriots/Ottawa Wanderers | Eastern League | Rochester, NY | |
| Charles Elsey | elsey-001cha | 1898 | 6/2-7/9 | Utica Pent Ups | New York State League | Utica, NY | |
| Charles Elsey | elsey-001cha | 1898 | 7/12-8/14 | Cortland | New York State League | Cortland, NY | |
| Bert Eltom | eltom-001alb | 1898 | no g. | Norfolk Jewels | Atlantic League | Norfolk, VA | |
| Bert Eltom | eltom-001alb | 1898 | 5/21-7/8 | Hamilton Hams | International League | Hamilton, ON | |
| Bert Eltom | eltom-001alb | 1898 | 7/13-9/20 | Hamilton Hams | Canadian League | Hamilton, ON | |
| Bones Ely | ely---001wil | 1898 | 148 g. | Pittsburgh | National League | Pittsburgh, PA | |
| Jack Ely | ely---001joh | 1898 | 51 g. | Mansfield Haymakers | Interstate League | Mansfield, OH | |
| Charlie Emig | emig--001cha | 1898 | 4/26-6/2 | Mansfield Haymakers | Interstate League | Mansfield, OH | |
| Charlie Emig | emig--001cha | 1898 | 7/11-8/5 | Springfield Governors | Interstate League | Springfield, OH | |
| Emigh | emigh-001--- | 1898 | 5/11-8/23+ | Fort Collins | Colorado State League | Fort Collins, CO | |
| George Engel | engel-002geo | 1898 | , | ||||
| England | 1898 | Homestead AC | Independent | Homestead, PA | |||
| George England | englan001geo | 1898 | 6/14-7/1 | Umpire | IntSt | , | |
| George England | englan001geo | 1898 | +8/1-9/2+ | Umpire | Canadian | , | |
| Clyde Enslow | enslow001cly | 1898 | 4/30-6/23 | Fall River Indians | New England League | Fall River, MA | |
| Erbs | erbs--001--- | 1898 | +7/23-7/24+ | Leadville | Colorado State League | Leadville, CO | |
| Edward Ernest | ernest001edw | 1898 | Fresno/Watsonville | Pacific Coast League | Watsonville, CA | ||
| Duke Esper | esper-001duk | 1898 | 11 g. | St. Louis | National League | St. Louis, MO | |
| Tony Esterquest | esterq001ant | 1898 | 5/5-9/17 | Youngstown Puddlers | Interstate League | Youngstown, OH | |
| Frank Eustace | eustac003fra | 1898 | 4/21-7/7 | Omaha Omahogs/St. Joseph Saints | Western League | Omaha, NE | |
| Frank Eustace | eustac003fra | 1898 | 7/8-9/19 | Omaha Omahogs/St. Joseph Saints | Western League | St. Joseph, MO | |
| Frank Evans | evans-005fra | 1898 | 4/21-5/21 | Shreveport Grays | Southwestern League | Shreveport, LA | |
| Roy Evans | evans-001roy | 1898 | 4/27-5/3 | Columbus Buckeyes/Senators | Western League | Columbus, OH | |
| Roy Evans | evans-001roy | 1898 | 7 g. | Washington | National League | Washington, DC | |
| Roy Evans | evans-001roy | 1898 | 7/23-9/8 | Providence Clamdiggers/Grays | Eastern League | Providence, RI | |
| W.S. Evans | evans-004w-- | 1898 | +5/26-7/31 | Aspen | Colorado State League | Aspen, CO | |
| Bill Everitt | everet001wil | 1898 | 149 g. | Chicago | National League | Chicago, IL | |
| Bob Ewing | ewing-001geo | 1898 | 4/25-9/17 | Toledo Mud Hens | Interstate League | Toledo, OH | |
| Buck Ewing | ewing-001buc | 1898 | g. | Cincinnati | National League | Cincinnati, OH | |
| Cal Ewing | ewing-001cal | 1898 | 3/26-4/24 | Oakland Reliance | California League | Oakland, CA | |
| Cal Ewing | ewing-001cal | 1898 | 4/30-12/11 | Oakland Reliance | Pacific Coast League | Oakland, CA | |
| Frank Ewing | ewing-001fra | 1898 | +6/?-7/7+ | Glenwood Springs | Colorado State League | Glenwood Springs, CO | |
| Elwood Eyler | eyler-001elw | 1898 | 4/28-6/4 | Burlington Hawkeyes | Western Association | Burlington, IA | |
| Elwood Eyler | eyler-001elw | 1898 | Topeka Giants | Kansas State League | Topeka, KS | ||
| Elwood Eyler | eyler-001elw | 1898 | no g. | Grand Rapids Cabinet Makers | Interstate League | Grand Rapids, MI | |
| Charles Faatz | faatz-001cha | 1898 | 5/19-6/17 | Rome Romans | New York State League | Rome, NY | |
| Charles Faatz | faatz-001cha | 1898 | Gloversville | Independent | Gloversville, NY | ||
| Jesse Fageley | fagele001jes | 1898 | 8/6 | Youngstown Puddlers | Interstate League | Youngstown, OH | |
| Tom Farley | farley001tho | 1898 | 4/9-? | San Antonio Missionaries | Texas League | San Antonio, TX | |
| Tom Farley | farley001tho | 1898 | Little Rock | Southwestern League | Little Rock, AR | ||
| Ben Farnham | farnha001ben | 1898 | 5/4-5/21+ | Derby Angels | Connecticut State League | Derby, CT | |
| Ben Farnham | farnha001ben | 1898 | NH-Strouse | Independent | , NH | ||
| Duke Farrell | farrel002cha | 1898 | 99 g. | Washington | National League | Washington, DC | |
| John Farrell | farrel006joh | 1898 | 4/26-9/18 | Springfield Governors | Interstate League | Springfield, OH | |
| Frank Fear | fear--001fra | 1898 | 9 g. | San Antonio Missionaries | Texas League | San Antonio, TX | |
| Frank Fear | fear--001fra | 1898 | Topeka Giants | Kansas State League | Topeka, KS | ||
| Kid Fears | fears-001kid | 1898 | San Antonio Missionaries | Texas League | San Antonio, TX | ||
| Kid Fears | fears-001kid | 1898 | Topeka Giants | Kansas State League | Topeka, KS | ||
| Fee | 1898 | W. Univ. of PA(Pitt) | College | , | |||
| Eddie Feehan | feehan001edw | 1898 | +4/28-5/2+ | Little Rock | Southwestern League | Little Rock, AR | |
| Eddie Feehan | feehan001edw | 1898 | +5/9-5/21 | Shreveport Grays | Southwestern League | Shreveport, LA | |
| Feeney | feeney005--- | 1898 | +7/23-7/25+ | Leadville | Colorado State League | Leadville, CO | |
| Fehar(Feehan?) | 1898 | +5/4+ | Little Rock | Southwestern League | Little Rock, AR | ||
| Harry Felix | felix-001har | 1898 | 7/10 | Newark Colts | Atlantic League | Newark, NJ | |
| Bill Fenner | fenner000bil | 1898 | Tarboro NC | Independent | Tarboro, NC | ||
| Bob Ferguson | fergus002bob | 1898 | 3 g. | Fresno | California League | Fresno, CA | |
| Bob Ferguson | fergus002bob | 1898 | 13 g. | Fresno/Watsonville | Pacific Coast League | Fresno, CA | |
| Charlie Ferguson | fergus002cha | 1898 | 4/26-9/18 | Toledo Mud Hens | Interstate League | Toledo, OH | |
| Jimmy Fernandez | fernan002jim | 1898 | 1stARK Inf., Cpl., Co. D. | Span-Amer | , | ||
| George Ferris | ferris001geo | 1898 | Beloit College | College | , | ||
| George Ferris | ferris001geo | 1898 | Sterling IL | Independent | Sterling, IL | ||
| Hobe Ferris | ferris001alb | 1898 | 6/1-6/23 | Pawtucket Tigers | New England League | Pawtucket, RI | |
| Hobe Ferris | ferris001alb | 1898 | Attleboro | Independent | Attleboro, MA | ||
| Ed Ferry | 1898 | no g. | Youngstown Puddlers | Interstate League | Youngstown, OH | ||
| Ed Fertsch | fertsc001edw | 1898 | 4/11-9/10 | Reading Coal Heavers | Atlantic League | Reading, PA | |
| C. Fessel | fessel001--- | 1898 | , | ||||
| C. Fessel | fessel001--- | 1898 | 5/18-7/22+ | Portland | Pacific Northwest League | Portland, OR | |
| Arthur Fessenden | fessen001art | 1898 | 6/14-6/24 | New Haven Blues | Connecticut State League | New Haven, CT | |
| Fiege | 1898 | 3 g. | Stockton | California League | Stockton, CA | ||
| Jim Field | field-001jim | 1898 | 4/28-5/26 | Buffalo Bisons | Eastern League | Buffalo, NY | |
| Jim Field | field-001jim | 1898 | 5/28-7/4 | Rochester Patriots/Ottawa Wanderers | Eastern League | Rochester, NY | |
| Jim Field | field-001jim | 1898 | -7/21 | 5 g. | Washington | National League | Washington, DC |
| Jack Fifield | fifiel001jac | 1898 | 21 g. | Philadelphia | National League | Philadelphia, PA | |
| Frank Figgemeier | figgem002fra | 1898 | 4/24-6/11 | Minneapolis Millers | Western League | Minneapolis, MN | |
| Frank Figgemeier | figgem002fra | 1898 | 7/26 | Columbus Buckeyes/Senators | Western League | Columbus, OH | |
| Frank Figgemeier | figgem002fra | 1898 | 9/2 | Omaha Omahogs/St. Joseph Saints | Western League | St. Joseph, MO | |
| Mickey Finn | finn--001duk | 1898 | 4/30-6/6 | Newport Colts | New England League | Newport, RI | |
| Mickey Finn | finn--001duk | 1898 | 6/?-7/12 | Rochester Patriots/Ottawa Wanderers | Eastern League | Rochester, NY | |
| Mickey Finn | finn--001duk | 1898 | 7/13-7/27? | Rochester Patriots/Ottawa Wanderers | Eastern League | Ottawa, ON | |
| Mickey Finn | finn--001duk | 1898 | 8/3-8/16 | Auburn Maroons | New York State League | Auburn, NY | |
| Fisher | fisher034--- | 1898 | 5/16 | Taunton Herrings | New England League | Taunton, MA | |
| Fisher | fisher023--- | 1898 | 5/22-5/30 | Utica Pent Ups | New York State League | Utica, NY | |
| Al Fisher | fisher001al- | 1898 | 4/28-6/8 | Cedar Rapids Rabbits | Western Association | Cedar Rapids, IA | |
| Al Fisher | fisher001al- | 1898 | 6/15-9/17 | Fort Wayne Indians | Interstate League | Fort Wayne, IN | |
| Chauncey Fisher | fisher005cha | 1898 | 4/21-7/7 | Omaha Omahogs/St. Joseph Saints | Western League | Omaha, NE | |
| Chauncey Fisher | fisher005cha | 1898 | 7/9-9/8 | Omaha Omahogs/St. Joseph Saints | Western League | St. Joseph, MO | |
| Harry Fisher | fisher004har | 1898 | Meadville | Iron and Oil League | Meadville, NY | ||
| Harry Fisher | fisher004har | 1898 | 7/21- | Butler | Independent | Butler, PA | |
| Harry Fisher | fisher004har | 1898 | 7/26-9/9 | Rome Romans | New York State League | Rome, NY | |
| Harry Fisher | fisher004har | 1898 | 7/26-9/9 | Rome Romans | New York State League | Rome, NY | |
| Ike Fisher | fisher001ike | 1898 | 5/17-7/1 | 9 g. | Philadelphia | National League | Philadelphia, PA |
| Ike Fisher | fisher001ike | 1898 | 7/30-9/19 | Minneapolis Millers | Western League | Minneapolis, MN | |
| Tom Fisher | fisher002tho | 1898 | 6/8-8/24 | Toledo Mud Hens | Interstate League | Toledo, OH | |
| Frank Fitch | fitch-002fra | 1898 | 4/26-5/22 | Fort Wayne Indians | Interstate League | Fort Wayne, IN | |
| Walter Fitz | 1898-99 | Harvard Univ. | College | , | |||
| Fitzgerald | fitzge005--- | 1898 | 7/11 | Auburn Maroons | New York State League | Auburn, NY | |
| Fitzgerald | fitzge007--- | 1898 | 5/8-7/31 | Aspen | Colorado State League | Aspen, CO | |
| James Fitzgerald | fitzge004jam | 1898 | 5/28-6/7 | Bridgeport Orators | Connecticut State League | Bridgeport, CT | |
| John Fitzgerald | fitzge008joh | 1898 | 6 g. | Santa Cruz | Pacific Coast League | Santa Cruz, CA | |
| John Fitzgerald | fitzge008joh | 1898 | Santa Cruz | Pacific Coast League | Santa Cruz, CA | ||
| John Fitzgerald | fitzge008joh | 1898 | Fresno/Watsonville | Pacific Coast League | Watsonville, CA | ||
| John Fitzgerald | fitzge008joh | 1898 | 36 g. | Santa Cruz | Pacific Coast League | Santa Cruz, CA | |
| John Fitzgerald | fitzge009joh | 1898 | 5/4-5/10 | New Haven Blues | Connecticut State League | New Haven, CT | |
| Fitzgibbons | fitzgi001--- | 1898 | 5/24 | Rome Romans | New York State League | Rome, NY | |
| Billy Fitzmaurice | fitzma001wil | 1898 | 4/27-6/1 | Newark Colts | Atlantic League | Newark, NJ | |
| Billy Fitzmaurice | fitzma001wil | 1898 | 7/16-8/16 | Rome Romans | New York State League | Rome, NY | |
| Fitzpatrick | fitzpa006--- | 1898 | 34 g. | San Francisco Athletics | Pacific Coast League | San Francisco, CA | |
| Frank Fitzpatrick | fitzpa001fra | 1898 | 5/4-9/10 | Danbury Hatters | Connecticut State League | Danbury, CT | |
| Tom Fitzpatrick | fitzpa006--- | 1898 | 6 g. | San Francisco Athletics | Pacific Coast League | San Francisco, CA | |
| Fitzsimmons | 1898 | Charleroi | Independent | Charleroi, PA | |||
| Pat Flaherty | flaher005pat | 1898 | 4/28-5/23 | Rock Island | Western Association | Rock Island, IL | |
| Pat Flaherty | flaher005pat | 1898 | 5/26-6/27 | Dubuque Tigers | Western Association | Dubuque, IA | |
| Patsy Flaherty | flaher004pat | 1898 | 4/29-9/10 | Paterson Weavers | Atlantic League | Paterson, NJ | |
| Thomas Flanagan | flanag001tho | 1898 | 5/2-6/28 | Fall River Indians | New England League | Fall River, MA | |
| Thomas Flanagan | flanag001tho | 1898 | 7/7-7/15 | Newark Colts | Atlantic League | Newark, NJ | |
| Fleckner | fleckn001--- | 1898 | 6/10 | Port Huron Tigers | International League | Port Huron, MI | |
| J. Fleming | flemin004j-- | 1898 | 5/18-7/10+ | Portland | Pacific Northwest League | Portland, OR | |
| Tom Fleming | flemin003tho | 1898 | 4/21-5/25 | Indianapolis Hoosiers | Western League | Indianapolis, IN | |
| Tom Fleming | flemin003tho | 1898 | 5/30-7/7 | Omaha Omahogs/St. Joseph Saints | Western League | Omaha, NE | |
| Tom Fleming | flemin003tho | 1898 | 7/8-9/17 | Omaha Omahogs/St. Joseph Saints | Western League | St. Joseph, MO | |
| Tom Fleming | flemin003tho | 1898 | 9/18-9/20 | Indianapolis Hoosiers | Western League | Indianapolis, IN | |
| Elmer Flick | flick-001elm | 1898 | 4/26- | 134 g. | Philadelphia | National League | Philadelphia, PA |
| Tim Flood | flood-001tim | 1898 | 4/28-6/8 | Cedar Rapids Rabbits | Western Association | Cedar Rapids, IA | |
| Tim Flood | flood-001tim | 1898 | -6/27 | 41 g. | Ottumwa Giants | Western Association | Ottumwa, IA |
| Tim Flood | flood-001tim | 1898 | 7/10-9/17 | Fort Wayne Indians | Interstate League | Fort Wayne, IN | |
| Jack Flournoy | flourn001joh | 1898 | 4/26-9/17 | Mansfield Haymakers | Interstate League | Mansfield, OH | |
| George Flynn | flynn-003geo | 1898 | 4/20-9/20 | Indianapolis Hoosiers | Western League | Indianapolis, IN | |
| Mike Flynn | flynn-002mic | 1898 | 4/10-4/16 | Montgomery Senators | Southern League | Montgomery, AL | |
| Silent Fogarty | 1898 | Ilion | Independent | Ilion, NY | |||
| Lee Fohl | fohl--001leo | 1898 | Warren | Iron and Oil League | Warren, PA | ||
| Lee Fohl | fohl--001leo | 1898 | New Kensington | Independent | New Kensington, PA | ||
| Frank Foley | foley-015--- | 1898 | 4 g. | San Jose | Pacific Coast League | San Jose, CA | |
| George Foley | foley-015--- | 1898 | 5 g. | San Jose | Pacific Coast League | San Jose, CA | |
| Hugh Foley | 1898 | no g. | New Haven Blues | Connecticut State League | New Haven, CT | ||
| Patrick Foley | foley-002pat | 1898 | 5/2-7/3 | Newport Colts | New England League | Newport, RI | |
| Patrick Foley | foley-002pat | 1898 | 7/8-7/16 | Newark Colts | Atlantic League | Newark, NJ | |
| Patrick Foley | foley-002pat | 1898 | 7/21-8/11 | Lyons | New York State League | Lyons, NY | |
| George? Folly/Foley | 1898 | 42 g. | San Jose | Pacific Coast League | San Jose, CA | ||
| Robert Footes | footes000rob | 1898 | Chicago Unions | Independent | Chicago, IL | ||
| Billy Ford | ford--010wil | 1898 | 4/14-5/19 | Umpire | So | , | |
| Eddie Ford | ford--001edw | 1898 | 5 g. | San Jose | California League | San Jose, CA | |
| Eddie Ford | ford--001edw | 1898 | 26 g. | San Francisco Athletics | Pacific Coast League | San Francisco, CA | |
| Frank Foreman | forema001fra | 1898 | 4/22-9/18 | Indianapolis Hoosiers | Western League | Indianapolis, IN | |
| John Foreman | forema001bro | 1898 | 4/26-6/27 | Norfolk Jewels | Atlantic League | Norfolk, VA | |
| John Foreman | forema001bro | 1898 | 7/29-8/20 | Reading Coal Heavers | Atlantic League | Reading, PA | |
| John Foreman | forema001bro | 1898 | 9/5-9/19 | London Cockneys | Canadian League | London, ON | |
| Kid Forney | forney001j-- | 1898 | +4/23+ | Belle Plaine | Independent | Belle Plaine, KS | |
| Edgar Fortney | fortne001edg | 1898 | no g. | Meadville | Iron and Oil League | Meadville, NY | |
| Clarence Foster | foster001cla | 1898 | 6/18-9/10 | Bridgeport Orators | Connecticut State League | Bridgeport, CT | |
| Clarence Foster | foster001cla | 1898 | 9/13- | 32 g. | New York | National League | New York, NY |
| Reddy Foster | foster001red | 1898 | 4/27-7/27 | Allentown Peanuts | Atlantic League | Allentown, PA | |
| Fountain | 1898 | 3 g. | San Jose | California League | San Jose, CA | ||
| Henry Fournier | fourni001hen | 1898 | 6/26,7/30 | Johnstown/Palmyra Mormans | New York State League | Palmyra, PA | |
| Henry Fournier | fourni001hen | 1898 | 7/26 | Rome Romans | New York State League | Rome, NY | |
| Henry Fournier | fourni001hen | 1898 | 8/6-8/11 | Johnstown/Palmyra Mormans | New York State League | Johnstown, PA | |
| Frank Foutz | foutz-001fra | 1898 | 5/5-6/1 | Toronto Canucks | Eastern League | Toronto, ON | |
| Frank Foutz | foutz-001fra | 1898 | 6/20-6/28 | Cortland | New York State League | Cortland, NY | |
| Bill Fox | fox---006wil | 1898 | 4/30-7/4 | Toronto Canucks | Eastern League | Toronto, ON | |
| Bill Fox | fox---006wil | 1898 | 7/14-9/9 | Rome Romans | New York State League | Rome, NY | |
| George Fox | fox---001pad | 1898 | 4/26-9/10 | Norfolk Jewels | Atlantic League | Norfolk, VA | |
| M.M. Fox | fox---001m-- | 1898 | 4/28 | Ottumwa Giants | Western Association | Ottumwa, IA | |
| William Fox | fox---009wil | 1898 | 9/1-9/6 | Waterbury Pirates | Connecticut State League | Waterbury, CT | |
| Ike Francis | franci002isa | 1898 | Uniontown | Independent | Uniontown, PA | ||
| Ike Francis | franci002isa | 1898 | Homestead AC | Homestead, PA | |||
| Ike Francis | franci002isa | 1898 | Pauxsutawney | Pauxsutawney, PA | |||
| Ike Francis | franci002isa | 1898 | Grand Rapids Cabinet Makers | Interstate League | Grand Rapids, MI | ||
| Tom Francis | franci001tho | 1898 | 4/26-9/17 | Mansfield Haymakers | Interstate League | Mansfield, OH | |
| Buck Francks | franck001cha | 1898 | 23 g. | Fresno/Watsonville | Pacific Coast League | Watsonville, CA | |
| Buck Francks | franck001cha | 1898 | Fresno | California League | Fresno, CA | ||
| C. H. Franee | 1898 | Coshocton | Ohio State League | Coshocton, OH | |||
| Charlie Frank | frank-003cha | 1898 | 4/21-9/19 | Columbus Buckeyes/Senators | Western League | Columbus, OH | |
| Cy Frank | frank-001cy- | 1898 | Braddock Carnegie AC | Independent | Braddock, PA | ||
| Fred Frank | frank-003fre | 1898 | 4/26-9/18 | Dayton Old Soldiers | Interstate League | Dayton, OH | |
| Fred Frank | frank-003fre | 1898 | 9/27-10/15 | 17 g. | Cleveland | National League | Cleveland, OH |
| Ralph Frary | frary-001ral | 1898 | 7/28-7/30 | Minneapolis Millers | Western League | Minneapolis, MN | |
| Chick Fraser | fraser001cha | 1898 | 26 g. | Louisville | National League | Louisville, KY | |
| Chick Fraser | fraser001cha | 1898 | 6 g. | Cleveland | National League | Cleveland, OH | |
| Frazee | frazee005--- | 1898 | +5/14- | Bradford Pirates | Iron and Oil League | Bradford, PA | |
| Dotty Freck | freck-001cha | 1898 | 5/13-6/7 | Lyons | New York State League | Lyons, NY | |
| Lute Freeland | freela001lut | 1898 | Salina Blues | Kansas State League | Salina, KS | ||
| Lute Freeland | freela001lut | 1898 | Shreveport Grays | Southwestern League | Shreveport, LA | ||
| Buck Freeman | freema003joh | 1898 | 4/30-9/10 | Toronto Canucks | Eastern League | Toronto, ON | |
| Buck Freeman | freema003joh | 1898 | 29 g. | Washington | National League | Washington, DC | |
| Kid Freeman | 1898 | 1 g. | Fresno | California League | Fresno, CA | ||
| Frey | frey--002--- | 1898 | 4/10 | Mobile Blackbirds | Southern League | Mobile, AL | |
| William Frick | frick-001wil | 1898 | 5/13-7/11 | Johnstown/Palmyra Mormans | New York State League | Palmyra, PA | |
| William Frick | frick-001wil | 1898 | 7/15-7/18 | Rome Romans | New York State League | Rome, NY | |
| William Frick | frick-001wil | 1898 | 7/21-7/23 | Lyons | New York State League | Lyons, NY | |
| William Frick | frick-001wil | 1898 | 7/26-8/13 | Auburn Maroons | New York State League | Auburn, NY | |
| William Frick | frick-001wil | 1898 | 8/20-9/10 | Canandaigua Giants | New York State League | Canandaigua, NY | |
| Hon Fricken | fricke001ant | 1898 | 4/29-9/18 | St. Paul Apostles/Saints | Western League | St. Paul, MN | |
| Frickman | frickm001--- | 1898 | 5/4-6/21 | Bridgeport Orators | Connecticut State League | Bridgeport, CT | |
| Frickman | frickm001--- | 1898 | +7/7-7/9 | New Britain Rangers | Connecticut State League | New Britain, CT | |
| Bill Friel | friel-001wil | 1898 | Niagara Univ. | College | , | ||
| Bill Friel | friel-001wil | 1898 | 5/13-6/15 | Cortland | New York State League | Cortland, NY | |
| Bill Friel | friel-001wil | 1898 | 6/26-7/4 | Pawtucket Tigers | New England League | Pawtucket, RI | |
| Bill Friel | friel-001wil | 1898 | 7/20-9/11 | Springfield Ponies/Maroons | Eastern League | Springfield, MA | |
| Danny Friend | friend002dan | 1898 | 2 g. | Chicago | National League | Chicago, IL | |
| Danny Friend | friend002dan | 1898 | 5/26-8/12 | Columbus Buckeyes/Senators | Western League | Columbus, OH | |
| Danny Friend | friend002dan | 1898 | 8/30-9/14 | Kansas City Blues | Western League | Kansas City, MO | |
| Charlie Frisbee | frisbe001cha | 1898 | 4/23-9/20 | Kansas City Blues | Western League | Kansas City, MO | |
| Emil Frisk | frisk-001joh | 1898 | 5/5-7/5 | Port Huron Tigers | International League | Port Huron, MI | |
| Emil Frisk | frisk-001joh | 1898 | 7/16-9/19 | Hamilton Hams | Canadian League | Hamilton, ON | |
| Joseph Frye | frye--001jos | 1898 | 4/26-7/8 | Hartford Cooperatives | Atlantic League | Hartford, CT | |
| Shorty Fuller | fuller001sho | 1898 | 5/15-7/1 | Detroit Tigers | Western League | Detroit, MI | |
| William Fuller | fuller020--- | 1898 | +5/21-7/11+ | Olean | Iron and Oil League | Olean, NY | |
| Fulmer | fulmer003--- | 1898 | 5/5-5/14 | Port Huron Tigers | International League | Port Huron, MI | |
| Dave Fultz | fultz-001dav | 1898 | Univ. of Missouri | College | , | ||
| Dave Fultz | fultz-001dav | 1898 | 7/1- | 19 g. | Philadelphia | National League | Philadelphia, PA |
| Al Funke | funke-001al- | 1898 | +5/29-7/24 | Denver Grizzlies | Colorado State League | Denver, CO | |
| Al Funke | funke-001al- | 1898 | +7/26+ | Leadville | Colorado State League | Leadville, CO | |
| Al Funke | funke-001al- | 1898 | +7/31+ | Denver Grizzlies | Colorado State League | Denver, CO | |
| Gus Gadke | gadke-001gus | 1898 | 5/18-7/27 | Portland | Pacific Northwest League | Portland, OR | |
| John Gaffney | gaffne002joh | 1898 | Umpire | East | , | ||
| Ambrose Gaines | gaines001amb | 1898 | +7/20+ | Knoxville Reds | Independent | Knoxville, TN | |
| Gair | gair--001--- | 1898 | 5/21 | Williamsport | Central Pennsylvania League | Williamsport, PA | |
| Hoppy Galager | 1898 | no g. | Shreveport Grays | Southwestern League | Shreveport, LA | ||
| Andy Gallagher | gallag001and | 1898 | 4/30-7/4 | Newport Colts | New England League | Newport, RI | |
| Andy Gallagher | gallag001and | 1898 | 7/11-9/10 | Auburn Maroons | New York State League | Auburn, NY | |
| M.J. Gallagher | gallag001m-- | 1898 | no g. | Rochester Patriots/Ottawa Wanderers | Eastern League | Rochester, NY | |
| Shorty Gallagher | gallag005cha | 1898 | 5/25-6/2 | St. Joseph Saints | Western Association | St. Joseph, MO | |
| Shorty Gallagher | gallag005cha | 1898 | 8/10-9/20 | Chatham Reds | Canadian League | Chatham, ON | |
| William Gallagher | gallag002wil | 1898 | 5/31-7/4 | Newport Colts | New England League | Newport, RI | |
| Bill Galloway | gallow003wil | 1898 | 13 g. | Dunnville ONT | Independent | Dunnville, ON | |
| Bob Ganley | ganley002rob | 1898 | 5/4-5/6 | New Haven Blues | Connecticut State League | New Haven, CT | |
| Bill Gannon | gannon002wil | 1898 | 5/13-8/11 | Lyons | New York State League | Lyons, NY | |
| Bill Gannon | gannon002wil | 1898 | 8/17-9/10 | Canandaigua Giants | New York State League | Canandaigua, NY | |
| D. R. Gannon | 1898 | 5/17-6/ | Salem | Ohio State League | Salem, OH | ||
| Gussie Gannon | gannon001gus | 1898 | 5/11-7/4 | Newport Colts | New England League | Newport, RI | |
| Gussie Gannon | gannon001gus | 1898 | 7/8-7/12 | Rochester Patriots/Ottawa Wanderers | Eastern League | Rochester, NY | |
| Gussie Gannon | gannon001gus | 1898 | 7/19-9/9 | Rochester Patriots/Ottawa Wanderers | Eastern League | Ottawa, ON | |
| Joe Gannon | gannon002joe | 1898 | St.Lo.-Empires | Amat | St. Louis, MO | ||
| Joe Gannon | gannon002joe | 1898 | 8/28 | 1 g. | St. Louis | National League | St. Louis, MO |
| Billy Ganss | gans--001bil | 1898 | +8/7+ | Clev.-Diebolts | Independent | Cleveland, OH | |
| Joe Ganzel | ganzel001jos | 1898 | 4/25-9/17 | New Castle Quakers | Interstate League | New Castle, PA | |
| John Ganzel | ganzel001joh | 1898 | 4/21- | 15 g. | Pittsburgh | National League | Pittsburgh, PA |
| John Ganzel | ganzel001joh | 1898 | 6/29-9/20 | Detroit Tigers | Western League | Detroit, MI | |
| Garb | garb--001--- | 1898 | +7/21+ | Denver Grizzlies | Colorado State League | Denver, CO | |
| Garcia | garcia003--- | 1898 | 1 g. | Houston Buffaloes | Texas League | Houston, TX | |
| George Gardner | gardne001geo | 1898 | 5/30-6/23 | New Haven Blues | Connecticut State League | New Haven, CT | |
| George Gardner | gardne001geo | 1898 | 6/27-6/30 | New Britain Rangers | Connecticut State League | New Britain, CT | |
| George Gardner | gardne001geo | 1898 | Wallingford | Independent | Wallingford, CT | ||
| Jim Gardner | gardne001jam | 1898 | 35 g. | Pittsburgh | National League | Pittsburgh, PA | |
| Ross Garrison | garris001ros | 1898 | +5/4+ | Cuban X Giants | Independent | Cuban, | |
| Jim Garry | garry-001jim | 1898 | 4/28-8/11 | Syracuse Stars | Eastern League | Syracuse, NY | |
| Jim Garry | garry-001jim | 1898 | 8/24-9/11 | Buffalo Bisons | Eastern League | Buffalo, NY | |
| Garvey | garvey006--- | 1898 | Manhattan Col. | College | , | ||
| Garvey | garvey006--- | 1898 | 6/23-7/9 | New London Whalers | Connecticut State League | New London, CT | |
| Garvey | garvey006--- | 1898 | 7/12-7/16 | New Haven Blues | Connecticut State League | New Haven, CT | |
| Joseph Garvey | garvey001jos | 1898 | 4/28-5/14 | Youngstown Puddlers | Interstate League | Youngstown, OH | |
| Joseph Garvey | garvey001jos | 1898 | 5/26-9/10 | Auburn Maroons | New York State League | Auburn, NY | |
| Peter Garvey | garvey001pet | 1898 | 4/16-4/21 | Atlanta Colts | Southern League | Atlanta, GA | |
| Garvin | 1898 | Quincy | Western Association | Quincy, IL | |||
| Leo Garvin | garvin001lee | 1898 | Jefferson City MO | Independent | Jefferson City, MO | ||
| Ned Garvin | garvin001vir | 1898 | 4/27-9/10 | Reading Coal Heavers | Atlantic League | Reading, PA | |
| Welcome Gaston | gaston002wel | 1898 | 4/30-9/10 | Toronto Canucks | Eastern League | Toronto, ON | |
| Welcome Gaston | gaston002wel | 1898 | 9/15-9/17 | Hamilton Hams | Canadian League | Hamilton, ON | |
| Welcome Gaston | gaston002wel | 1898 | 10/6- | 2 g. | Brooklyn | National League | Brooklyn, NY |
| George Gates | gates-003geo | 1898 | 5/18-7/31 | Tacoma | Pacific Northwest League | Tacoma, WA | |
| Harry Gatewood | gatewo002har | 1898 | Topeka Giants | Kansas State League | Topeka, KS | ||
| Frank Gatins | gatins001fra | 1898 | 4/30-9/10 | Toronto Canucks | Eastern League | Toronto, ON | |
| Frank Gatins | gatins001fra | 1898 | 9/12-9/17 | Hamilton Hams | Canadian League | Hamilton, ON | |
| Frank Gatins | gatins001fra | 1898 | 9/21- | 17 g. | Washington | National League | Washington, DC |
| Fred Gaumitz | gaumin000fre | 1898 | Stockton | California League | Stockton, CA | ||
| Fred Gaumitz | gaumin000fre | 1898 | 5/18-7/31 | Seattle | Pacific Northwest League | Seattle, WA | |
| Dem Gay | gay---000dem | 1898 | Spokane | Pacific Northwest League | Spokane, WA | ||
| Dale Gear | gear--001dal | 1898 | U. of Kansas | College | , | ||
| Dale Gear | gear--001dal | 1898 | 4/24-9/20 | Kansas City Blues | Western League | Kansas City, MO | |
| Frank Gearhardt | gearha001fra | 1898 | +5/29-8/13+ | Glenwood Springs | Colorado State League | Glenwood Springs, CO | |
| George Geer | geer--001geo | 1898 | 4/25- | Youngstown Puddlers | Interstate League | Youngstown, OH | |
| George Geer | geer--001geo | 1898 | Fort Wayne Indians | Interstate League | Fort Wayne, IN | ||
| George Geer | geer--001geo | 1898 | 6/16-7/4 | Utica Pent Ups | New York State League | Utica, NY | |
| Charles Gehring | gehrin003--- | 1898 | 5/21-6/3+ | Williamsport | Central Pennsylvania League | Williamsport, PA | |
| Henry F.? Gehring | gehrin003--- | 1898 | 5/21-6/3+ | Williamsport | Central Pennsylvania League | Williamsport, PA | |
| Phil Geier | geier-001phi | 1898 | 5/7-9/20 | St. Paul Apostles/Saints | Western League | St. Paul, MN | |
| Chris Genegal | genega001chr | 1898 | 5/13-8/16 | Canandaigua Giants | New York State League | Canandaigua, NY | |
| Frank Genins | genins001c-- | 1898 | 4/21-9/19 | Columbus Buckeyes/Senators | Western League | Columbus, OH | |
| Bill George | george001bil | 1898 | 4/26-6/10 | Norfolk Jewels | Atlantic League | Norfolk, VA | |
| Bill George | george001bil | 1898 | 6/13-8/9 | Newark Colts | Atlantic League | Newark, NJ | |
| Will Geralds | gerald001wil | 1898 | Nash.-Americans | Independent | Nashville, TN | ||
| Joe Gerhardt | gerhar001joe | 1898 | Yonkers NY | Independent | Yonkers, NY | ||
| Les German | german001les | 1898 | 4/29-5/10 | Rochester Patriots/Ottawa Wanderers | Eastern League | Rochester, NY | |
| Charlie Gettig | gettig002cha | 1898 | 4/16- | 64 g. | New York | National League | New York, NY |
| Tom Gettinger | gettin001tom | 1898 | 5/9-9/10 | Paterson Weavers | Atlantic League | Paterson, NJ | |
| Jake Gettman | gettma001jac | 1898 | 142 g. | Washington | National League | Washington, DC | |
| Ollie Gfroerer | gfroer001oli | 1898 | 4/19-5/9 | Atlanta Colts | Southern League | Atlanta, GA | |
| James Giblin | giblin001jam | 1898 | 5/4-9/10 | Bridgeport Orators | Connecticut State League | Bridgeport, CT | |
| Gibson | gibson017--- | 1898 | 5/4-5/10 | Danbury Hatters | Connecticut State League | Danbury, CT | |
| Gibson | gibson041--- | 1898 | Portland | Pacific Northwest League | Portland, OR | ||
| Al Gifford | giffor001al- | 1898 | 4/26-5/8 | Atlanta Colts | Southern League | Atlanta, GA | |
| Gilbert | gilber003--- | 1898 | 8/24-9/10 | Allentown Peanuts | Atlantic League | Allentown, PA | |
| Bill Gilbert | gilber001bil | 1898 | 5/14-5/21 | Rome Romans | New York State League | Rome, NY | |
| Billy Gilbert | gilber002wil | 1898 | 5/13-8/11 | Lyons | New York State League | Lyons, NY | |
| Billy Gilbert | gilber002wil | 1898 | 8/15 | Johnstown/Palmyra Mormans | New York State League | Johnstown, PA | |
| Claude Gilbert | gilber002cla | 1898 | 6/2 | New Britain Rangers | Connecticut State League | New Britain, CT | |
| Hermie Gilbert | gilber002her | 1898 | Fresno | California League | Fresno, CA | ||
| Hermie Gilbert | gilber002her | 1898 | Fresno/Watsonville | Pacific Coast League | Watsonville, CA | ||
| Jack Gilbert | gilber005joh | 1898 | 4/30-7/4 | Newport Colts | New England League | Newport, RI | |
| Jack Gilbert | gilber005joh | 1898 | 7/11-9/10 | Auburn Maroons | New York State League | Auburn, NY | |
| Jack Gilbert | gilber005joh | 1898 | 9/11- | 2 g. | Washington | National League | Washington, DC |
| Jack Gilbert | gilber005joh | 1898 | 1 g. | New York | National League | New York, NY | |
| Pete Gilbert | gilber001pet | 1898 | 4/30-5/5 | Springfield Ponies/Maroons | Eastern League | Springfield, MA | |
| Pete Gilbert | gilber001pet | 1898 | 6/21-7/30 | Springfield Ponies/Maroons | Eastern League | Springfield, MA | |
| Larry Gilboy | gilboy001law | 1898 | 4/28-5/26 | Buffalo Bisons | Eastern League | Buffalo, NY | |
| Larry Gilboy | gilboy001law | 1898 | 5/30-5/31 | Syracuse Stars | Eastern League | Syracuse, NY | |
| Larry Gilboy | gilboy001law | 1898 | 6/2-6/18 | Johnstown/Palmyra Mormans | New York State League | Palmyra, PA | |
| Larry Gilboy | gilboy001law | 1898 | 6/27-7/29 | Youngstown Puddlers | Interstate League | Youngstown, OH | |
| Peter Gildea | gildea001pet | 1898 | 5/13-9/8 | Cortland | New York State League | Cortland, NY | |
| Bob Gilks | gilks-001rob | 1898 | 4/25-9/18 | Toledo Mud Hens | Interstate League | Toledo, OH | |
| Sam Gillen | gillen001sam | 1898 | 4/21-9/20 | St. Paul Apostles/Saints | Western League | St. Paul, MN | |
| Thomas Gillen | gillen001tho | 1898 | 5/7-5/22 | Rochester Patriots/Ottawa Wanderers | Eastern League | Rochester, NY | |
| Thomas Gillen | gillen001tho | 1898 | 6/1-7/26 | Johnstown/Palmyra Mormans | New York State League | Palmyra, PA | |
| Thomas Gillen | gillen001tho | 1898 | Gloversville | Independent | Gloversville, NY | ||
| Eddie Gillespie | gilles001edd | 1898 | Little Rock | Southwestern League | Little Rock, AR | ||
| Eddie Gilligan | gillig001edw | 1898 | 4/14-5/19 | Birmingham Reds | Southern League | Birmingham, AL | |
| Eddie Gilligan | gillig001edw | 1898 | Oil City Oilers/Dunkirk-Fredonia | Iron and Oil League | Fredonia, NY | ||
| Gilliland | 1898 | Duquesne AC | Independent | Duquesne, PA | |||
| George Gillpatrick | gillpa001geo | 1898 | 5/22- | 7 g. | St. Louis | National League | St. Louis, MO |
| George Gillpatrick | gillpa001geo | 1898 | 8/20-9/18 | Columbus Buckeyes/Senators | Western League | Columbus, OH | |
| Frank Gimlin | gimlin001joh | 1898 | 5/2-7/9+ | Leadville | Colorado State League | Leadville, CO | |
| Frank Gimlin | gimlin001joh | 1898 | Ogden UT | Independent | Ogden, UT | ||
| Billy Gimmell | gimmel001bil | 1898 | 1 g. | San Francisco Athletics | Pacific Coast League | San Francisco, CA | |
| Billy Ging | ging--001bil | 1898 | 5/5-9/10 | New London Whalers | Connecticut State League | New London, CT | |
| Fred Glade | glade-001fre | 1898 | 4/9- | 18 g. | Fort Worth Panthers | Texas League | Fort Worth, TX |
| Fred Glade | glade-001fre | 1898 | Galveston Sandcrabs | Texas League | Galveston, TX | ||
| Phil Glade | glade-001phi | 1898 | Grand Island NB | Independent | Grand Island, NE | ||
| Jack Glasscock | glassc001jac | 1898 | 4/21-9/2 | St. Paul Apostles/Saints | Western League | St. Paul, MN | |
| Adam Glatz | glatz-001--- | 1898 | 5/13-6/5 | Burlington Hawkeyes | Western Association | Burlington, IA | |
| Ralph Glaze | glaze-001dan | 1898 | +6/7-7/7 | Louisville | Colorado State League | Louisville, CO | |
| Ralph Glaze | glaze-001dan | 1898 | +6/18-6/23+ | Fort Collins | Colorado State League | Fort Collins, CO | |
| Harry Gleason | gleaso001har | 1898 | 5/2-9/11 | Springfield Ponies/Maroons | Eastern League | Springfield, MA | |
| Kid Gleason | gleaso002wil | 1898 | 150 g. | New York | National League | New York, NY | |
| Bob Glenalvin | glenal001bob | 1898 | 4/21-9/20 | St. Paul Apostles/Saints | Western League | St. Paul, MN | |
| Glendon | glendo001--- | 1898 | +5/10+ | Paris | Southwestern League | Paris, TX | |
| Martin Glendon | glendo001mar | 1898 | 8 g. | Galveston Sandcrabs | Texas League | Galveston, TX | |
| Ed Glenn | glenn-001edw | 1898 | 7/1-7/4 | New Bedford Whalers/Worcester | New England League | Worcester, MA | |
| Ed Glenn | glenn-001edw | 1898 | 9/7- | 1 g. | Washington | National League | Washington, DC |
| Ed Glenn | glenn-001edw | 1898 | 2 g. | New York | National League | New York, NY | |
| Jot Goar | goar--001jot | 1898 | 5/1 | 1 g. | Cincinnati | National League | Cincinnati, OH |
| Jot Goar | goar--001jot | 1898 | New Lisbon IN | Independent | New Lisbon, IN | ||
| John Gochnaur | gochna001joh | 1898 | 4/30-7/4 | Brockton Shoemakers | New England League | Brockton, MA | |
| John Gochnaur | gochna001joh | 1898 | 7/26-9/8 | Rome Romans | New York State League | Rome, NY | |
| John Godwin | godwin001joh | 1898 | 5/13-5/28 | Utica Pent Ups | New York State League | Utica, NY | |
| Billy Goeckel | goecke001bil | 1898 | 4/29-9/10 | Wilkes-Barre Coal Barons | Eastern League | Wilkes-Barre, PA | |
| Eddie Goff | goff--000edd | 1898 | 5/25-7/14 | Tacoma | Pacific Northwest League | Tacoma, WA | |
| Eddie Goff | goff--000edd | 1898 | 7/15-7/19+ | Portland | Pacific Northwest League | Portland, OR | |
| J. Goldie | 1898 | New Orleans Pelicans | , | ||||
| J. Goldie | 1898 | Shreveport Grays | Southwestern League | Shreveport, LA | |||
| J. Goldie | 1898 | Umpire | SW | , | |||
| Goldworthy | 1898 | San Francisco | Pacific Coast League | San Francisco, CA | |||
| Johnny Gonding | gondin001joh | 1898 | 4/30-9/10 | Wilkes-Barre Coal Barons | Eastern League | Wilkes-Barre, PA | |
| Doc Goodell | goodal001doc | 1898 | 4/9- | 14 g. | Fort Worth Panthers | Texas League | Fort Worth, TX |
| Doc Goodell | goodal001doc | 1898 | 5/12-6/27 | St. Joseph Saints | Western Association | St. Joseph, MO | |
| Goodhart | goodha001--- | 1898 | 8/5-8/16 | Reading Coal Heavers | Atlantic League | Reading, PA | |
| Goodhart | goodha001--- | 1898 | 8/29-8/30 | Richmond Bluebirds | Atlantic League | Richmond, VA | |
| George Goodhart | goodha001geo | 1898 | 4/14-4/25 | Charleston Seagulls | Southern League | Charleston, SC | |
| George Goodhart | goodha001geo | 1898 | 6/24-7/24 | Youngstown Puddlers | Interstate League | Youngstown, OH | |
| Goodwin | 1898 | no g. | New Bedford Whalers/Worcester | New England League | Worcester, MA | ||
| Goodwin | 1898 | 4 g. | San Jose | California League | San Jose, CA | ||
| Art Goodwin | goodwi001art | 1898 | 5/13-7/12+ | Bradford Pirates | Iron and Oil League | Bradford, PA | |
| Art Goodwin | goodwi001art | 1898 | 7/20+ | Butler | Independent | Butler, PA | |
| Gordon | gordon017--- | 1898 | 9/10 | Toronto Canucks | Eastern League | Toronto, ON | |
| Alex Gordon | 1898 | Chicago Unions | Independent | Chicago, IL | |||
| Gorsuch | 1898 | Altoona | Independent | Altoona, PA | |||
| Roger Gorton | gorton001rog | 1898 | 5/5 | St. Thomas Saints | International League | St. Thomas, ON | |
| Goslinsky | 1898 | 3 g. | Oakland Reliance | Pacific Coast League | Oakland, CA | ||
| Gossart | 1898 | Butler | Independent | Butler, PA | |||
| Silas Gourley | gourle001sil | 1898 | 5/7-5/23 | Hamilton Hams | International League | Hamilton, ON | |
| Mike Grady | grady-002mic | 1898 | 93 g. | New York | National League | New York, NY | |
| William Graffius | graffi001wil | 1898 | 4/26-9/18 | Springfield Governors | Interstate League | Springfield, OH | |
| Graham | graham008--- | 1898 | 5/7-5/? | Pueblo | Colorado State League | Pueblo, CO | |
| Graham | graham005--- | 1898 | 5/21-6/3+ | Lock Haven Normals/Maroons | Central Pennsylvania League | Lock Haven, PA | |
| Graham | graham039--- | 1898 | +7/21-7/24+ | Denver Grizzlies | Colorado State League | Denver, CO | |
| James Graham | graham001jim | 1898 | 4/21-5/21 | Shreveport Grays | Southwestern League | Shreveport, LA | |
| Grancher | granch001--- | 1898 | New LondonYMCA | Independent | New London, | ||
| Grancher | granch001--- | 1898 | 7/22 | New London Whalers | Connecticut State League | New London, CT | |
| Frank Graney | graney001fra | 1898 | 4/17-4/26 | New Orleans Pelicans | Southern League | New Orleans, LA | |
| Frank Graney | graney001fra | 1898 | Little Rock | Southwestern League | Little Rock, AR | ||
| Angus Grant | grant-001ang | 1898 | 4/10-5/11 | Montgomery Senators | Southern League | Montgomery, AL | |
| Angus Grant | grant-001ang | 1898 | Evansville | Cent | Evansville, IN | ||
| Angus Grant | grant-001ang | 1898 | 5/26-6/3 | Grand Rapids Cabinet Makers | Interstate League | Grand Rapids, MI | |
| Charlie Grant | grant-003cha | 1898 | Adrian Page Fence | Independent | Adrian, MI | ||
| Frank Grant | grant-001fra | 1898 | +5/4+ | Cuban X Giants | Independent | Cuban, | |
| George Grant | grant-003geo | 1898 | 4/30-7/4 | Taunton Herrings | New England League | Taunton, MA | |
| Frank Graves | graves004fra | 1898 | 4/20-? | Detroit Tigers | Western League | Detroit, MI | |
| Gray | gray--030--- | 1898 | 9/10-9/11 | Dayton Old Soldiers | Interstate League | Dayton, OH | |
| Bill Gray | gray--001bil | 1898 | -10/13 | 137 g. | Pittsburgh | National League | Pittsburgh, PA |
| Chummy Gray | gray--001chu | 1898 | 4/28-9/10 | Buffalo Bisons | Eastern League | Buffalo, NY | |
| Jim Gray | gray--001jim | 1898 | +4/26-5/4+ | Texarkana | Southwestern League | Texarkana, TX | |
| Roger Gray | gray--001rog | 1898 | 4/14-5/19 | Charleston Seagulls | Southern League | Charleston, SC | |
| Green | green-083--- | 1898 | Tacoma | Pacific Northwest League | Tacoma, WA | ||
| Danny Green | green-001edw | 1898 | 4/30-8/16 | Springfield Ponies/Maroons | Eastern League | Springfield, MA | |
| Danny Green | green-001edw | 1898 | 8/17- | 47 g. | Chicago | National League | Chicago, IL |
| Henry Green | green-002hen | 1898 | Fresno/Watsonville | Pacific Coast League | Watsonville, CA | ||
| Johnny Green | green-001joh | 1898 | 5/9-7/7 | Louisville | Colorado State League | Louisville, CO | |
| Johnny Green | green-001joh | 1898 | 7/8 | Denver Grizzlies | Colorado State League | Denver, CO | |
| Johnny Green | green-001joh | 1898 | +8/9-8/23+ | Fort Collins | Colorado State League | Fort Collins, CO | |
| Johnny Green | green-001joh | 1898 | 9/3+ | Denver Grizzlies | Colorado State League | Denver, CO | |
| A.V. Greene | greene001a-- | 1898 | Hills MN | Independent | Hills, MN | ||
| Paddy Greene | greene001pat | 1898 | Attleboro | Independent | Attleboro, MA | ||
| Paddy Greene | greene001pat | 1898 | 8/28-8/30 | Rochester Patriots/Ottawa Wanderers | Eastern League | Ottawa, ON | |
| Lew Greeniger | 1898 | 4 g. | San Jose | Pacific Coast League | San Jose, CA | ||
| Lew Greeniger | 1898 | San Francisco | Pacific Coast League | San Francisco, CA | |||
| Greening | 1898 | Beaver Falls | Independent | Beaver Falls, PA | |||
| Doc Greenwald | greenw001doc | 1898 | 4/26-5/7 | Dayton Old Soldiers | Interstate League | Dayton, OH | |
| Doc Greenwald | greenw001doc | 1898 | Homestead | Independent | Homestead, PA | ||
| Robert Gregory | gregor003rob | 1898 | 11 g. | San Antonio Missionaries | Texas League | San Antonio, TX | |
| Ed Gremminger | gremmi001lor | 1898 | 4/28-9/11 | Buffalo Bisons | Eastern League | Buffalo, NY | |
| Reddy Grey | grey--001rom | 1898 | 4/27-9/10 | Toronto Canucks | Eastern League | Toronto, ON | |
| Zane Grey | grey--001zan | 1898 | 4/27-6/2 | Newark Colts | Atlantic League | Newark, NJ | |
| Harry Grier | grier-002har | 1898 | Leadville | Colorado State League | Leadville, CO | ||
| Mike Griffin | griffi001mik | 1898 | 134 g. | Brooklyn | National League | Brooklyn, NY | |
| Percy Griffin | griffi001per | 1898 | 4/9-5/15 | Houston Buffaloes | Texas League | Houston, TX | |
| Percy Griffin | griffi001per | 1898 | 5/17-5/19 | Mobile Blackbirds | Southern League | Mobile, AL | |
| Percy Griffin | griffi001per | 1898 | Topeka Giants | Kansas State League | Topeka, KS | ||
| Sandy Griffin | griffi001san | 1898 | 4/30-5/26 | Rochester Patriots/Ottawa Wanderers | Eastern League | Rochester, NY | |
| Sandy Griffin | griffi001san | 1898 | 5/27-8/22 | Buffalo Bisons | Eastern League | Buffalo, NY | |
| Sandy Griffin | griffi001san | 1898 | 8/30-9/10 | Wilkes-Barre Coal Barons | Eastern League | Wilkes-Barre, PA | |
| Steve Griffin | griffi001ste | 1898 | 4/21-5/23 | Omaha Omahogs/St. Joseph Saints | Western League | Omaha, NE | |
| Steve Griffin | griffi001ste | 1898 | 5/26-6/3 | St. Joseph Saints | Western Association | St. Joseph, MO | |
| Steve Griffin | griffi001ste | 1898 | 6/14-7/5 | Port Huron Tigers | International League | Port Huron, MI | |
| Steve Griffin | griffi001ste | 1898 | 7/9-9/17 | Fort Wayne Indians | Interstate League | Fort Wayne, IN | |
| Thomas Griffin | griffi007tho | 1898 | Springfield Governors | Interstate League | Springfield, OH | ||
| Clark Griffith | griffi003cla | 1898 | 38 g. | Chicago | National League | Chicago, IL | |
| Jack Grim | grim--001joh | 1898 | 5/5-5/14 | London Cockneys | International League | London, ON | |
| Jack Grim | grim--001joh | 1898 | 8/13 | Chatham Reds | Canadian League | Chatham, ON | |
| Jack Grim | grim--001joh | 1898 | 8/13 | Chatham Reds | Canadian League | Chatham, ON | |
| John Grim | grim--002joh | 1898 | -7/13 | 52 g. | Brooklyn | National League | Brooklyn, NY |
| John Grimes | grimes002joh | 1898 | BlueGrass | , | |||
| Myron Grimshaw | grimsh001myr | 1898 | 5/5-7/7 | London Cockneys | International League | London, ON | |
| Myron Grimshaw | grimsh001myr | 1898 | 7/13-7/16 | London Cockneys | Canadian League | London, ON | |
| J. Gromley | 1898 | 1 g. | San Francisco Athletics | Pacific Coast League | San Francisco, CA | ||
| James Grossart | grossh001jam | 1898 | Meadville | Iron and Oil League | Meadville, NY | ||
| James Grove | grove-003jam | 1898 | 4/25-5/28 | Youngstown Puddlers | Interstate League | Youngstown, OH | |
| James Grove | grove-003jam | 1898 | 6/28-7/5 | St. Thomas Saints | International League | St. Thomas, ON | |
| Henry Gruber | gruber001hen | 1898 | Umpire | CtSt | , | ||
| Henry Gruber | gruber001hen | 1898 | 6/9-9/10 | Umpire | East | , | |
| Whitey Guese | guese-001the | 1898 | 4/25-9/17 | New Castle Quakers | Interstate League | New Castle, PA | |
| William Gumbert | 1898 | Pittsburg AC | Independent | Pittsburg, KS | |||
| John Gunshannon | gunsha001joh | 1898 | 7/27-8/19 | Waterbury Pirates | Connecticut State League | Waterbury, CT | |
| Joe Gunson | gunson001joe | 1898 | 4/30-7/11 | Rochester Patriots/Ottawa Wanderers | Eastern League | Rochester, NY | |
| Joe Gunson | gunson001joe | 1898 | 7/13-8/1 | Rochester Patriots/Ottawa Wanderers | Eastern League | Ottawa, ON | |
| Frank Gunther | gunthe001fra | 1898 | Oil City Oilers/Dunkirk-Fredonia | Iron and Oil League | Oil City, PA | ||
| Bob Gwaltney | gwaltn001--- | 1898 | 3/14- | U. North Carolina | College | , | |
| Herman Habel | habel-001her | 1898 | 5/5-7/4 | Port Huron Tigers | International League | Port Huron, MI | |
| Irv Hach | hach--001irv | 1898 | no g. | Atlanta Colts | Southern League | Atlanta, GA | |
| Irv Hach | hach--001irv | 1898 | 5/13-9/10 | Oswego Grays | New York State League | Oswego, NY | |
| Jim Hackett | hacket001jam | 1898 | 4/28- | Ottumwa Giants | Western Association | Ottumwa, IA | |
| Jim Hackett | hacket001jam | 1898 | 22 g. | Dubuque Tigers | Western Association | Dubuque, IA | |
| Hubert Hadley | hadley001hub | 1898 | 5/5-5/11 | Port Huron Tigers | International League | Port Huron, MI | |
| Frank Hafford | haffor001fra | 1898 | Georgetown Col | College | , | ||
| Frank Hafford | haffor001fra | 1898 | Greensburg | Independent | Greensburg, PA | ||
| Hager | hager-001--- | 1898 | 8/21-8/31 | New Castle Quakers | Interstate League | New Castle, PA | |
| J.A. Hager | hager-001j-- | 1898 | 4/16-5/15 | New Orleans Pelicans | Southern League | New Orleans, LA | |
| Alf Hagerman | hagerm001alf | 1898 | 4/22-5/31 | Omaha Omahogs/St. Joseph Saints | Western League | Omaha, NE | |
| Alf Hagerman | hagerm001alf | 1898 | 6/3-7/4 | Saginaw Braves | International League | Saginaw, MI | |
| Alf Hagerman | hagerm001alf | 1898 | 8/10-9/20 | London Cockneys | Canadian League | London, ON | |
| Peter Hagerty | hagert001pet | 1898 | 5/5-7/8 | Hamilton Hams | International League | Hamilton, ON | |
| Peter Hagerty | hagert001pet | 1898 | 7/13-9/20 | Hamilton Hams | Canadian League | Hamilton, ON | |
| George Haggerty | hagger001geo | 1898 | 6/30 | Brockton Shoemakers | New England League | Brockton, MA | |
| George Haggerty | hagger001geo | 1898 | 8/27 | Rochester Patriots/Ottawa Wanderers | Eastern League | Ottawa, ON | |
| Noodles Hahn | hahn--001fra | 1898 | 5/8-8/17 | Detroit Tigers | Western League | Detroit, MI | |
| Noodles Hahn | hahn--001fra | 1898 | 8/23-8/25 | St. Paul Apostles/Saints | Western League | St. Paul, MN | |
| Phil Hahn | hahn--002phi | 1898 | Warren | Iron and Oil League | Warren, PA | ||
| Phil Hahn | hahn--002phi | 1898 | no g. | Meadville | Iron and Oil League | Meadville, NY | |
| Louis Haidt | haidt-001lou | 1898 | 7/22/98- | HDSF Corps | Span-Amer | , | |
| Haines | haines008--- | 1898 | Olean | Iron and Oil League | Olean, NY | ||
| Louis Halbritter | halbri001lou | 1898 | 5/13-6/9 | Johnstown/Palmyra Mormans | New York State League | Palmyra, PA | |
| Louis Halbritter | halbri001lou | 1898 | Ilion | Independent | Ilion, NY | ||
| Ed Hale | hale--001ed- | 1898 | +4/28-9/6+ | Hot Springs | Southwestern League | Hot Springs, AR | |
| Ed Hale | hale--001ed- | 1898 | +4/28-9/6+ | Hot Springs | Southwestern League | Hot Springs, AR | |
| Jess Hale | hale--001jes | 1898 | 7/15-7/29 | Minneapolis Millers | Western League | Minneapolis, MN | |
| Emmett Haley | haley-001emm | 1898-99 | Cpl. | Span-Amer | , | ||
| Hall | 1898 | 6/20-7/1+ | Oil City Oilers/Dunkirk-Fredonia | Iron and Oil League | Dunkirk, NY | ||
| B. F. Hall | 1898 | 2 g. | San Jose | California League | San Jose, CA | ||
| Russ Hall | hall--011rob | 1898 | 4/15- | 39 g. | St. Louis | National League | St. Louis, MO |
| Russ Hall | hall--011rob | 1898 | Wichita Eagles | Kansas State League | Wichita, KS | ||
| William Hall | hall--008wil | 1898 | 5/4-9/10 | Waterbury Pirates | Connecticut State League | Waterbury, CT | |
| William Hall | hall--007wil | 1898 | 5/18-6/3 | Lyons | New York State League | Lyons, NY | |
| Haller | 1898 | Pitt-Irwin | Independent | Pittsburgh, PA | |||
| Frank Haller | haller002fra | 1898 | 4/14-5/19 | Birmingham Reds | Southern League | Birmingham, AL | |
| Jocko Halligan | hallig001joc | 1898 | 4/29-8/30 | Wilkes-Barre Coal Barons | Eastern League | Wilkes-Barre, PA | |
| Bill Hallman | hallma002wil | 1898 | 134 g. | Brooklyn | National League | Brooklyn, NY | |
| Bill Hallman | hallma001wil | 1898 | 4/27-5/22 | Newark Colts | Atlantic League | Newark, NJ | |
| Bill Hallman | hallma001wil | 1898 | 6/20-9/9 | Canandaigua Giants | New York State League | Canandaigua, NY | |
| Wilmer Hallowell | hallow001wil | 1898 | 4/14-5/16 | Savannah | Southern League | Savannah, GA | |
| Wilmer Hallowell | hallow001wil | 1898 | 8/7-8/16 | Lancaster Maroons | Atlantic League | , | |
| Charlie Hamburg | hambur003cha | 1898 | 5/13-9/9 | Canandaigua Giants | New York State League | Canandaigua, NY | |
| Billy Hamilton | hamilt006wil | 1898 | 110 g. | Boston | National League | Boston, MA | |
| Frank Hamilton | hamilt002fra | 1898 | +5/10-7/7 | Louisville | Colorado State League | Louisville, CO | |
| Billy Hammond | hammon002wil | 1898 | 7 g. | Oakland Reliance | Pacific Coast League | Oakland, CA | |
| Billy Hammond | hammon002wil | 1898 | 37 g. | Fresno/Watsonville | Pacific Coast League | Watsonville, CA | |
| Handiboe | handib003--- | 1898 | +5/26-6/3+ | Williamsport | Central Pennsylvania League | Williamsport, PA | |
| Chip Hanford | hanfor002cha | 1898 | 4/28-5/11 | Rock Island | Western Association | Rock Island, IL | |
| Arthur Hanks | hanks-001art | 1898 | +8/20+ | Chambersburg PA | Independent | Chambersburg, PA | |
| Hanley | hanley004--- | 1898 | 39 g. | San Jose | Pacific Coast League | San Jose, CA | |
| George Hanley | hanley004--- | 1898 | 5 g. | San Jose | Pacific Coast League | San Jose, CA | |
| George Hanley | hanley002geo | 1898 | 5/17-9/10 | Oswego Grays | New York State League | Oswego, NY | |
| M. Hanley | 1898 | 5/20-24,7/4 | Umpire | NE | , | ||
| Bill Hanlon | hanlon001wil | 1898 | 5 g. | San Jose | Pacific Coast League | San Jose, CA | |
| Bill Hanlon | hanlon001wil | 1898 | 41 g. | San Jose | Pacific Coast League | San Jose, CA | |
| Ned Hanlon | hanlon001ned | 1898 | Baltimore | National League | Baltimore, MD | ||
| Tim Hanna | hanna-001tim | 1898 | 4/25-4/26 | Minneapolis Millers | Western League | Minneapolis, MN | |
| Tim Hanna | hanna-001tim | 1898 | 4/28-6/26 | Rock Island | Western Association | Rock Island, IL | |
| Pat Hannivan | hanniv001pat | 1898 | 4/28-6/24 | Syracuse Stars | Eastern League | Syracuse, NY | |
| Pat Hannivan | hanniv001pat | 1898 | 6/30-9/10 | Toronto Canucks | Eastern League | Toronto, ON | |
| Billy Hanrahan | hanrah001wil | 1898 | +6/17+ | Grand Forks ND | Independent | Grand Forks, ND | |
| William Hanrahan | hanrah002wil | 1898 | 5/13-5/30 | Johnstown/Palmyra Mormans | New York State League | Palmyra, PA | |
| Eddie Hanscomb | hansco001edm | 1898 | 5/13-7/11 | Cortland | New York State League | Cortland, NY | |
| Frank Hansford | hansfo001fra | 1898 | 5/2-5/8+ | Glenwood Springs | Colorado State League | Glenwood Springs, CO | |
| Frank Hansford | hansfo001fra | 1898 | 6/9 | 1 g. | Brooklyn | National League | Brooklyn, NY |
| Frank Hansford | hansfo001fra | 1898 | 7/24-8/28+ | Glenwood Springs | Colorado State League | Glenwood Springs, CO | |
| Scott Hardesty | hardes002sco | 1898 | 4/26-5/25 | Paterson Weavers | Atlantic League | Paterson, NJ | |
| Scott Hardesty | hardes002sco | 1898 | 5/27-8/6 | Norfolk Jewels | Atlantic League | Norfolk, VA | |
| Scott Hardesty | hardes002sco | 1898 | 8/13-9/10 | Newark Colts | Atlantic League | Newark, NJ | |
| Lou Hardie | hardie001lou | 1898 | 8 g. | Oakland Reliance | California League | Oakland, CA | |
| Lou Hardie | hardie001lou | 1898 | 40 g. | Oakland Reliance | Pacific Coast League | Oakland, CA | |
| Hardman | hardma001--- | 1898 | 7/21 | New Britain Rangers | Connecticut State League | New Britain, CT | |
| Hardy | hardy-004--- | 1898 | +4/25-5/9+ | Texarkana | Southwestern League | Texarkana, TX | |
| Alex Hardy | hardy-001dav | 1898 | no g. | St. Thomas Saints | Canadian League | St. Thomas, ON | |
| Claude Hardy | hardy-004--- | 1898 | +4/25-5/9+ | Texarkana | Southwestern League | Texarkana, TX | |
| Claude Hardy | hardy-004--- | 1898 | +6/5+ | Ardmore | Independent | Ardmore, OK | |
| Claude Hardy | hardy-004--- | 1898 | Wichita Eagles | Kansas State League | Wichita, KS | ||
| Billy Hargrove | hargro002wil | 1898 | 4/27-9/10 | Richmond Bluebirds | Atlantic League | Richmond, VA | |
| Bill Harker | harker001--- | 1898 | 8/13+ | Denver Grizzlies | Colorado State League | Denver, CO | |
| James Harkins | harkin002jam | 1898 | Meadville | Iron and Oil League | Meadville, NY | ||
| Harlan | harlan003--- | 1898 | Topeka Giants | Kansas State League | Topeka, KS | ||
| Harlan | harlan003--- | 1898 | Wichita Eagles | Kansas State League | Wichita, KS | ||
| Dick Harley | harley001ric | 1898 | 142 g. | St. Louis | National League | St. Louis, MO | |
| Harper | harper023--- | 1898 | +5/30-6/1+ | Salem | Ohio State League | Salem, OH | |
| George Harper | harper003joh | 1898 | 3/27 | Stockton | California League | Stockton, CA | |
| George Harper | harper003joh | 1898 | 4/29-7/5 | Rochester Patriots/Ottawa Wanderers | Eastern League | Rochester, NY | |
| George Harper | harper003joh | 1898 | 7/15-9/10 | Rochester Patriots/Ottawa Wanderers | Eastern League | Ottawa, ON | |
| George Harper | harper003joh | 1898 | 10/16- | 3 g. | Stockton | Pacific Coast League | Stockton, CA |
| Jack Harper | harper003cha | 1898 | 4/14-5/10 | Montgomery Senators | Southern League | Montgomery, AL | |
| Jack Harper | harper003cha | 1898 | 6/12-9/18 | Grand Rapids Cabinet Makers | Interstate League | Grand Rapids, MI | |
| Joe Harrington | harrin001joe | 1898 | 4/30-6/20 | New Bedford Whalers/Worcester | New England League | New Bedford, MA | |
| Joe Harrington | harrin001joe | 1898 | 6/22-7/4 | Fall River Indians | New England League | Fall River, MA | |
| Joe Harrington | harrin001joe | 1898 | 9/8-9/11 | Springfield Ponies/Maroons | Eastern League | Springfield, MA | |
| Harris | harris073--- | 1898 | 7/11-7/30 | Rome Romans | New York State League | Rome, NY | |
| Eldred Harrison | harris000eld | 1898 | Sedalia | Independent | Sedalia, MO | ||
| Hart | hart--032--- | 1898 | +4/27+ | Hot Springs | Southwestern League | Hot Springs, AR | |
| Hart | hart--004--- | 1898 | 7/30 | Detroit Tigers | Western League | Detroit, MI | |
| Bill Hart | hart--004wil | 1898 | 16 g. | Pittsburgh | National League | Pittsburgh, PA | |
| Hub Hart | hart--004jam | 1898-01 | Boston College | College | , | ||
| Jimmy Hart | hart--003jam | 1898 | Manitowoc WI | Independent | Manitowoc, WI | ||
| Hartman | hartma006--- | 1898 | Derby Angels | Connecticut State League | Derby, CT | ||
| Hartman | hartma016--- | 1898 | +4/27-5/8 | Hot Springs | Southwestern League | Hot Springs, AR | |
| Hartman | hartma016--- | 1898 | -9/6 | Hot Springs | Southwestern League | Hot Springs, AR | |
| Fred Hartman | hartma003fre | 1898 | 123 g. | New York | National League | New York, NY | |
| Henry Hartman | hartma014--- | 1898 | 5/18-7/31 | Seattle | Pacific Northwest League | Seattle, WA | |
| Henry Hartman | hartma014--- | 1898 | 15 g. | Fresno/Watsonville | Pacific Coast League | Watsonville, CA | |
| William Hartman | hartma001wil | 1898 | 4/25-9/18 | Toledo Mud Hens | Interstate League | Toledo, OH | |
| Topsy Hartsel | hartse001tul | 1898 | 4/10-5/11 | Montgomery Senators | Southern League | Montgomery, AL | |
| Topsy Hartsel | hartse001tul | 1898 | +6/3 | Salem | Ohio State League | Salem, OH | |
| Topsy Hartsel | hartse001tul | 1898 | 6/9-9/10 | Grand Rapids Cabinet Makers | Interstate League | Grand Rapids, MI | |
| Topsy Hartsel | hartse001tul | 1898 | 9/14- | 22 g. | Louisville | National League | Louisville, KY |
| Zaza Harvey | harvey001erv | 1898 | 5 g. | Sacramento Gilt Edges | Pacific Coast League | Sacramento, CA | |
| Zaza Harvey | harvey001erv | 1898 | 31 g. | Sacramento Gilt Edges | Pacific Coast League | Sacramento, CA | |
| Jack Haskell | haskel001jac | 1898 | 4/23-6/28 | Umpire | West | , | |
| Haskins | haskin001--- | 1898 | +7/12-8/23+ | Fort Collins | Colorado State League | Fort Collins, CO | |
| Paul Hass | hass--001pau | 1898 | +7/6-7/10+ | Aspen | Colorado State League | Aspen, CO | |
| Bill Hassamaer | hassam001bil | 1898 | 5/4 | Youngstown Puddlers | Interstate League | Youngstown, OH | |
| Bill Hassamaer | hassam001bil | 1898 | Massillon | Ohio State League | Massillon, OH | ||
| Bill Hassamaer | hassam001bil | 1898 | 5/28-9/10 | Bridgeport Orators | Connecticut State League | Bridgeport, CT | |
| Charlie Hastings | hastin002cha | 1898 | 19 g. | Pittsburgh | National League | Pittsburgh, PA | |
| Gil Hatfield | hatfie001gil | 1898 | 7/12-8/8 | New London Whalers | Connecticut State League | New London, CT | |
| Bill Hausen | hausen001hom | 1898 | 4/23-5/30 | Kansas City Blues | Western League | Kansas City, MO | |
| Bill Hausen | hausen001hom | 1898 | 6/6-6/27 | St. Joseph Saints | Western Association | St. Joseph, MO | |
| Bill Hausen | hausen001hom | 1898 | 7/4-7/5 | Kansas City Blues | Western League | Kansas City, MO | |
| Bill Hausen | hausen001hom | 1898 | 8/5-9/14 | Kansas City Blues | Western League | Kansas City, MO | |
| Marvin Hawley | hawley001sco | 1898 | 5/28- | 31 g. | Indianapolis Hoosiers | Western League | Indianapolis, IN |
| Pink Hawley | hawley001eme | 1898 | 43 g. | Cincinnati | National League | Cincinnati, OH | |
| Hayden | hayden001--- | 1898 | +4/27-4/29+ | Hot Springs | Southwestern League | Hot Springs, AR | |
| Bert Hayes | hayes-001ber | 1898 | 1 g. | Fresno | California League | Fresno, CA | |
| Bert Hayes | hayes-001ber | 1898 | 1 g. | San Francisco | Pacific Coast League | San Francisco, CA | |
| Bert Hayes | hayes-001ber | 1898 | 10 g. | Fresno/Watsonville | Pacific Coast League | Watsonville, CA | |
| Bruce Hayes | hayes-001bru | 1898 | Albany | Independent | Albany, GA | ||
| M. J. Hayes | 1898 | no g. | New London Whalers | Connecticut State League | New London, CT | ||
| Thomas Hayes | hayes-002tom | 1898-02 | Bloomsburg Col. | College | , | ||
| Tom Hayes | hayes-001tom | 1898 | 9 g. | San Antonio Missionaries | Texas League | San Antonio, TX | |
| Frank Haynes | haynes001fra | 1898 | 5/18-7/31 | Portland | Pacific Northwest League | Portland, OR | |
| William Hayward | haywar001wil | 1898 | 5/13-7/21 | Johnstown/Palmyra Mormans | New York State League | Palmyra, PA | |
| R. L. Head | 1898 | Salina Blues | Kansas State League | Salina, KS | |||
| Peter Healey | healey001pet | 1898 | 4/28-5/13 | Burlington Hawkeyes | Western Association | Burlington, IA | |
| Peter Healey | healey001pet | 1898 | 6/24-9/18 | Grand Rapids Cabinet Makers | Interstate League | Grand Rapids, MI | |
| Hughie Hearne | hearne001hug | 1898 | no g. | Meriden Bulldogs | Connecticut State League | Meriden, CT | |
| Jim Hearty | hearty001jim | 1898 | 6 g. | San Francisco | Pacific Coast League | San Francisco, CA | |
| Jim Hearty | hearty001jim | 1898 | 17 g. | San Francisco Athletics | Pacific Coast League | San Francisco, CA | |
| Hebrand | 1898 | , | |||||
| Al Hecht | hecht-001al- | 1898 | 4/17-5/12 | Mobile Blackbirds | Southern League | Mobile, AL | |
| Guy Hecker | hecker001guy | 1898 | 5/13-6/17 | Oil City Oilers/Dunkirk-Fredonia | Iron and Oil League | Oil City, PA | |
| Guy Hecker | hecker001guy | 1898 | 6/18-7/14 | Oil City Oilers/Dunkirk-Fredonia | Iron and Oil League | Fredonia, NY | |
| Emmet Heidrick | heidri001joh | 1898 | 4/26-7/12 | Paterson Weavers | Atlantic League | Paterson, NJ | |
| Emmet Heidrick | heidri001joh | 1898 | 9/14- | 19 g. | Cleveland | National League | Cleveland, OH |
| Bill Heine | heine-001wil | 1898 | 4/26-6/5 | Dayton Old Soldiers | Interstate League | Dayton, OH | |
| Bill Heine | heine-001wil | 1898 | 6/21-7/30 | Johnstown/Palmyra Mormans | New York State League | Palmyra, PA | |
| Bill Heine | heine-001wil | 1898 | 8/6-8/15 | Johnstown/Palmyra Mormans | New York State League | Johnstown, PA | |
| Bill Heine | heine-001wil | 1898 | 8/17-9/10 | Auburn Maroons | New York State League | Auburn, NY | |
| Charles Helberger | helber001cha | 1898 | 4/16-5/19 | Charleston Seagulls | Southern League | Charleston, SC | |
| Charles Helberger | helber001cha | 1898 | 6/19-9/6 | Youngstown Puddlers | Interstate League | Youngstown, OH | |
| Percy Held | held--001ric | 1898 | 4 g. | Fresno | California League | Fresno, CA | |
| Percy Held | held--001ric | 1898 | 28 g. | Fresno/Watsonville | Pacific Coast League | Watsonville, CA | |
| George Hemming | hemmin002geo | 1898 | 4/30-9/11 | Springfield Ponies/Maroons | Eastern League | Springfield, MA | |
| Charlie Hemphill | hemphi001cha | 1898 | 8/11-9/18 | Grand Rapids Cabinet Makers | Interstate League | Grand Rapids, MI | |
| Frank Hempleman | hemple001fra | 1898 | 4/9-5/9 | San Antonio Missionaries | Texas League | San Antonio, TX | |
| Hub Hendricks | hendri001hub | 1898 | 5/4-7/22+ | Derby Angels | Connecticut State League | Derby, CT | |
| John Hendricks | 1898 | no g. | Detroit Tigers | Western League | Detroit, MI | ||
| Walter Henesey | 1898 | Sacramento Gilt Edges | California League | Sacramento, CA | |||
| Walter Henesey | 1898 | San Francisco Athletics | California League | San Francisco, CA | |||
| Eddie Henneke | hennek001edd | 1898 | 4/9-5/9 | San Antonio Missionaries | Texas League | San Antonio, TX | |
| Walter Hennesey | 1898 | 4 g. | Sacramento Gilt Edges | Pacific Coast League | Sacramento, CA | ||
| Eddie Henry | henry-001edw | 1898 | 4/30-9/11 | Montreal Royals | Eastern League | Montreal, QC | |
| George Henry | henry-002geo | 1898 | 4/30-7/4 | Brockton Shoemakers | New England League | Brockton, MA | |
| George Henry | henry-002geo | 1898 | 7/11-7/12 | Johnstown/Palmyra Mormans | New York State League | Palmyra, PA | |
| George Henry | henry-002geo | 1898 | 7/15-9/10 | Allentown Peanuts | Atlantic League | Allentown, PA | |
| Harry Hepting | heptin001har | 1898 | 7/26-7/29 | Reading Coal Heavers | Atlantic League | Reading, PA | |
| Dutch Herald | herold001--- | 1898 | +5/11+ | Paris | Southwestern League | Paris, TX | |
| Frank Herbert | herber001fra | 1898 | 4/14-5/16 | Savannah | Southern League | Savannah, GA | |
| Frank Herbert | herber001fra | 1898 | 8/14-9/18 | Grand Rapids Cabinet Makers | Interstate League | Grand Rapids, MI | |
| Harry Herbert | herber001har | 1898 | 5/18-6/14 | Bridgeport Orators | Connecticut State League | Bridgeport, CT | |
| Harry Herbert | herber001har | 1898 | 9/11 | Umpire | CtSt | , | |
| Charles Herbrand | herbra001cha | 1898 | +5/18-5/23+ | Coshocton | Ohio State League | Coshocton, OH | |
| Art Herman | herman001art | 1898 | 4/22-5/9 | Atlanta Colts | Southern League | Atlanta, GA | |
| Joseph Herndon | herndo001jos | 1898 | 5/2-5/23 | Springfield Ponies/Maroons | Eastern League | Springfield, MA | |
| Joseph Herndon | herndo001jos | 1898 | 6/1 | New Britain Rangers | Connecticut State League | New Britain, CT | |
| Joseph Herndon | herndo001jos | 1898 | 6/16 | New Castle Quakers | Interstate League | New Castle, PA | |
| Joseph Herndon | herndo001jos | 1898 | 6/25-7/9 | Rochester Patriots/Ottawa Wanderers | Eastern League | Rochester, NY | |
| Joseph Herndon | herndo001jos | 1898 | 7/13-8/7 | Rochester Patriots/Ottawa Wanderers | Eastern League | Ottawa, ON | |
| Tom Hernon | hernon001tom | 1898 | 4/30-7/7 | Springfield Ponies/Maroons | Eastern League | Springfield, MA | |
| Eddie Herr | herr--002edw | 1898 | 5/1-9/15 | Ft. Wayne | IntSt | Fort Wayne, IN | |
| Eddie Herr | herr--002edw | 1898 | Fort Wayne Indians | Interstate League | Fort Wayne, IN | ||
| H. Hess | hess--001h-- | 1898 | 5/16-7/30 | Johnstown/Palmyra Mormans | New York State League | Palmyra, PA | |
| Tom Hess | hess--001tho | 1898 | 4/27-9/10 | Richmond Bluebirds | Atlantic League | Richmond, VA | |
| Hewitt | 1898 | Oil City Oilers/Dunkirk-Fredonia | Iron and Oil League | Dunkirk, NY | |||
| Jake Hewitt | hewitt001jak | 1898 | 4/27-9/14 | New Castle Quakers | Interstate League | New Castle, PA | |
| Thomas Hewitt | hewitt001tho | 1898 | 5/13-6/14 | Canandaigua Giants | New York State League | Canandaigua, NY | |
| Thomas Hewitt | hewitt001tho | 1898 | 7/9-7/22 | Montreal Royals | Eastern League | Montreal, QC | |
| Thomas Hewitt | hewitt001tho | 1898 | 8/6-8/13 | Johnstown/Palmyra Mormans | New York State League | Johnstown, PA | |
| Thomas Hewitt | hewitt001tho | 1898 | 8/20-9/8 | Oswego Grays | New York State League | Oswego, NY | |
| Mike Heydon | heydon001mic | 1898 | 4/27-9/10 | Reading Coal Heavers | Atlantic League | Reading, PA | |
| Mike Heydon | heydon001mic | 1898 | 10/12- | 3 g. | Baltimore | National League | Baltimore, MD |
| Charles Heyman | heyman001c-- | 1898 | +5/23-5/26+ | Massillon | Ohio State League | Massillon, OH | |
| Charles Heyman | heyman001c-- | 1898 | 6/10 | Bridgeport Orators | Connecticut State League | Bridgeport, CT | |
| Charles Heyman | heyman001c-- | 1898 | 9/17 | Youngstown Puddlers | Interstate League | Youngstown, OH | |
| Hickey | hickey009--- | 1898 | 5/14-8/21+ | Denver Grizzlies | Colorado State League | Denver, CO | |
| Hickey | hickey017--- | 1898 | 4/23-5/9 | Minneapolis Millers | Western League | Minneapolis, MN | |
| Hickey | hickey002--- | 1898 | 7/11-9/10 | New London Whalers | Connecticut State League | New London, CT | |
| Eddie Hickey | hickey001edw | 1898 | 4/28-6/25 | Quincy | Western Association | Quincy, IL | |
| Eddie Hickey | hickey001edw | 1898 | 7/17-9/20 | Indianapolis Hoosiers | Western League | Indianapolis, IN | |
| Mike Hickey | hickey001mik | 1898 | 5/6-7/4 | Newport Colts | New England League | Newport, RI | |
| Mike Hickey | hickey001mik | 1898 | 7/8-7/29+ | New Haven Blues | Connecticut State League | New Haven, CT | |
| Mike Hickey | hickey001mik | 1898 | 8/17-8/22 | Springfield Ponies/Maroons | Eastern League | Springfield, MA | |
| Walter Hickey | hickey001wal | 1898 | 4/26-7/28 | Fort Wayne Indians | Interstate League | Fort Wayne, IN | |
| Frank Hicklin | hickli001fra | 1898 | 7/13-7/26 | Chatham Reds | Canadian League | Chatham, ON | |
| Charlie Hickman | hickma004cha | 1898 | 19 g. | Boston | National League | Boston, MA | |
| Charlie Hickman | hickma004cha | 1898 | 6/10-7/4 | Rochester Patriots/Ottawa Wanderers | Eastern League | Rochester, NY | |
| Charlie Hickman | hickma004cha | 1898 | 7/16-7/17 | Providence Clamdiggers/Grays | Eastern League | Providence, RI | |
| Rowe Hicks | hicks-001row | 1898 | Suffolk VA | Independent | Suffolk, VA | ||
| George Hildebrand | hildeb002geo | 1898 | 7 g. | San Francisco Athletics | Pacific Coast League | San Francisco, CA | |
| George Hildebrand | hildeb002geo | 1898 | 39 g. | San Francisco Athletics | Pacific Coast League | San Francisco, CA | |
| Hill | hill--039--- | 1898 | 7/28-8/11 | Lyons | New York State League | Lyons, NY | |
| Hill | hill--049--- | 1898 | +5/23- | Warren | Iron and Oil League | Warren, PA | |
| Hill | hill--004--- | 1898 | 7/9-7/16 | Newark Colts | Atlantic League | Newark, NJ | |
| A.C. Hill | hill--001a-- | 1898 | Meadville | Iron and Oil League | Meadville, NY | ||
| Belden Hill | hill--003bel | 1898 | 4/28-5/13 | Cedar Rapids Rabbits | Western Association | Cedar Rapids, IA | |
| Bill Hill | hill--002bil | 1898 | 33 g. | Cincinnati | National League | Cincinnati, OH | |
| Eddie Hill | hill--002edw | 1898 | 4/30-7/4 | Newport Colts | New England League | Newport, RI | |
| Eddie Hill | hill--002edw | 1898 | 9/6-9/11 | Springfield Ponies/Maroons | Eastern League | Springfield, MA | |
| Wiley Hill | hill--012wil | 1898 | 21 g. | Fort Worth Panthers | Texas League | Fort Worth, TX | |
| Wiley Hill | hill--012wil | 1898 | San Antonio Missionaries | Texas League | San Antonio, TX | ||
| Wiley Hill | hill--012wil | 1898 | 7/- | Wichita Eagles | Kansas State League | Wichita, KS | |
| John Hilton | 1898 | 5/21-6/3+ | Lock Haven Normals/Maroons | Central Pennsylvania League | Lock Haven, PA | ||
| Thomas Hilton | hilton000tho | 1898 | 5/10-7/7 | Louisville | Colorado State League | Louisville, CO | |
| Hines | hines-007--- | 1898 | San Francisco Athletics | California League | San Francisco, CA | ||
| Hines | hines-026--- | 1898 | 5/18- | Tacoma | Pacific Northwest League | Tacoma, WA | |
| Hunkey Hines | hines-001hun | 1898 | 4/20- | 82 g. | Detroit Tigers | Western League | Detroit, MI |
| John Hinton | hinton001joh | 1898 | 5/21-6/3+ | Lock Haven Normals/Maroons | Central Pennsylvania League | Lock Haven, PA | |
| George Hitchner | 1898 | Vineland NJ | Independent | Vineland, NJ | |||
| Hoagland | 1898 | 6 g. | Sacramento Gilt Edges | California League | Sacramento, CA | ||
| Mike Hobrecht | hobrig001mic | 1898 | 4/26-6/19 | Springfield Governors | Interstate League | Springfield, OH | |
| Charles Hodge | hodge-001c-- | 1898 | -5/15 | 13 g. | Houston Buffaloes | Texas League | Houston, TX |
| Charles Hodge | hodge-001c-- | 1898 | Little Rock | Southwestern League | Little Rock, AR | ||
| Ernest Hodge | hodge-001ern | 1898 | 4/28-6/27 | Dubuque Tigers | Western Association | Dubuque, IA | |
| Will Hodgkinson | hodgki001wil | 1898 | Oil City Oilers/Dunkirk-Fredonia | Iron and Oil League | Oil City, PA | ||
| George Hodson | hodson002geo | 1898 | 5/6-7/6 | Providence Clamdiggers/Grays | Eastern League | Providence, RI | |
| George Hodson | hodson002geo | 1898 | 7/28-9/10 | Utica Pent Ups | New York State League | Utica, NY | |
| Bill Hoffer | hoffer003wil | 1898 | 8 g. | Baltimore | National League | Baltimore, MD | |
| Bill Hoffer | hoffer003wil | 1898 | 7/- | 4 g. | Pittsburgh | National League | Pittsburgh, PA |
| Bill Hoffer | hoffer001wil | 1898 | 5/2-8/14+ | Glenwood Springs | Colorado State League | Glenwood Springs, CO | |
| Hoffman | 1898 | 1 g. | Stockton | California League | Stockton, CA | ||
| Edward Hoffman | hoffma006edw | 1898 | Bradford Pirates | Iron and Oil League | Bradford, PA | ||
| Frank Hoffman | hoffma002fra | 1898 | 5/7-5/30 | Pueblo | Colorado State League | Pueblo, CO | |
| Jesse Hoffmeister | hoffme002jes | 1898 | 4/20-7/19 | Indianapolis Hoosiers | Western League | Indianapolis, IN | |
| William Hoffner | hoffne002wil | 1898 | no g. | New London Whalers | Connecticut State League | New London, CT | |
| John Hogan | hogan-005joh | 1898 | 5/5-5/7 | St. Thomas Saints | International League | St. Thomas, ON | |
| Marty Hogan | hogan-002mar | 1898 | , | ||||
| George Hogreiver | hogrie001geo | 1898 | 4/20- | 128 g. | Indianapolis Hoosiers | Western League | Indianapolis, IN |
| Speck Holbert | 1898 | Joplin | Independent | Joplin, MO | |||
| Speck Holbert | 1898 | Wichita Eagles | Kansas State League | Wichita, KS | |||
| Holder | holder004--- | 1898 | 7/17-7/20 | Fort Wayne Indians | Interstate League | Fort Wayne, IN | |
| Billy Holland | hollan001bil | 1898 | Chicago Unions | Independent | Chicago, IL | ||
| Howard Holland | hollan001how | 1898 | Norfolk Jewels | Atlantic League | Norfolk, VA | ||
| Jack Holland | hollan004joh | 1898 | 4/9-4/30 | Dallas Colts | Texas League | Dallas, TX | |
| Will Holland | hollan007wil | 1898 | 35 g. | Reading Coal Heavers | Atlantic League | Reading, PA | |
| Bug Holliday | hollid001bug | 1898 | 30 g. | Cincinnati | National League | Cincinnati, OH | |
| Wallace Hollingsworth | hollin001wal | 1898 | 4/24-7/7 | Omaha Omahogs/St. Joseph Saints | Western League | Omaha, NE | |
| Wallace Hollingsworth | hollin001wal | 1898 | 7/8-9/19 | Omaha Omahogs/St. Joseph Saints | Western League | St. Joseph, MO | |
| A.D. Holman | holman001a-- | 1898 | 5/5-6/12 | London Cockneys | Canadian League | London, ON | |
| A.D. Holman | holman001a-- | 1898 | London Cockneys | International League | London, ON | ||
| Ducky Holmes | holmes003jam | 1898 | 23 g. | St. Louis | National League | St. Louis, MO | |
| Ducky Holmes | holmes003jam | 1898 | 113 g. | Baltimore | National League | Baltimore, MD | |
| Fred Holmes | holmes001fre | 1898 | Kansas City Blues | Western League | Kansas City, MO | ||
| J. P. Holmes | 1898 | no g. | New Haven Blues | Connecticut State League | New Haven, CT | ||
| James Honeyman | honeym001jam | 1898 | 4/10-5/19 | Mobile Blackbirds | Southern League | Mobile, AL | |
| Hooker | hooker006--- | 1898 | +5/18-6/22+ | Meadville | Iron and Oil League | Meadville, NY | |
| Hooker | 1898 | Union City | Independent | Union City, TN | |||
| Hooker | hooker005--- | 1898 | 1 g. | Fort Worth Panthers | Texas League | Fort Worth, TX | |
| Edwin Hoover | hoover001edw | 1898 | 5/10- | St. Joseph Saints | Western Association | St. Joseph, MO | |
| Edwin Hoover | hoover001edw | 1898 | -6/26 | 31 g. | Rock Island | Western Association | Rock Island, IL |
| Edwin Hoover | hoover001edw | 1898 | 7/2-7/16 | Mansfield Haymakers | Interstate League | Mansfield, OH | |
| Edwin Hoover | hoover001edw | 1898 | Wichita Eagles | Kansas State League | Wichita, KS | ||
| George Hopkins | 1898 | Chicago Unions | Independent | Chicago, IL | |||
| Lee Hopkins | hopkin002j-- | 1898 | Santa Cruz | Pacific Coast League | Santa Cruz, CA | ||
| Lee Hopkins | hopkin001leo | 1898 | 5/18-7/24+ | Portland | Pacific Northwest League | Portland, OR | |
| Smiler Hopkins | 1898 | 6 g. | Santa Cruz | Pacific Coast League | Santa Cruz, CA | ||
| Smiler Hopkins | 1898 | San Jose | California League | San Jose, CA | |||
| Lefty Hopper | hopper001lef | 1898 | 10/10-10/13 | 2 g. | Brooklyn | National League | Brooklyn, NY |
| Horan | horan-003--- | 1898 | 5/2-5/3 | Ottumwa Giants | Western Association | Ottumwa, IA | |
| Will Horn | horn--004wil | 1898 | Chicago Unions | Independent | Chicago, IL | ||
| Michael Horne | horne-001mic | 1898 | 8/31 | Bridgeport Orators | Connecticut State League | Bridgeport, CT | |
| Jack Horner | horner002jac | 1898 | 5/19-6/1 | Taunton Herrings | New England League | Taunton, MA | |
| Jack Horner | horner002jac | 1898 | 6/14 | Pawtucket Tigers | New England League | Pawtucket, RI | |
| Jack Horner | horner003jac | 1898 | Olean | Iron and Oil League | Olean, NY | ||
| Horra | horra-001--- | 1898 | Sunbury | Central Pennsylvania League | Sunbury, PA | ||
| Horra/Harra | 1898 | +5/28+ | Sunbury | Central Pennsylvania League | Sunbury, PA | ||
| Elmer Horton | horton002elm | 1898 | 4/18 | 1 g. | Brooklyn | National League | Brooklyn, NY |
| Elmer Horton | horton002elm | 1898 | 5/30-6/24 | Buffalo Bisons | Eastern League | Buffalo, NY | |
| Elmer Horton | horton002elm | 1898 | 7/2-7/11 | Rochester Patriots/Ottawa Wanderers | Eastern League | Rochester, NY | |
| Elmer Horton | horton002elm | 1898 | 7/13-9/10 | Rochester Patriots/Ottawa Wanderers | Eastern League | Ottawa, ON | |
| W. H. Hose | 1898 | no g. | New London Whalers | Connecticut State League | New London, CT | ||
| Houghton | hought003--- | 1898 | 4/28 | Columbus Buckeyes/Senators | Western League | Columbus, OH | |
| Dennis Houle | houle-001den | 1898 | 5/4-7/4+ | Derby Angels | Connecticut State League | Derby, CT | |
| Dennis Houle | houle-001den | 1898 | 7/7-7/12 | New Haven Blues | Connecticut State League | New Haven, CT | |
| Dennis Houle | houle-001den | 1898 | +7/15 | Derby Angels | Connecticut State League | Derby, CT | |
| Dennis Houle | houle-001den | 1898 | 7/25-8/20 | Umpire | CtSt | , | |
| Dennis Houle | houle-001den | 1898 | 8/22-9/10 | Meriden Bulldogs | Connecticut State League | Meriden, CT | |
| Ed Householder | househ001edw | 1898 | 5/12 | Buffalo Bisons | Eastern League | Buffalo, NY | |
| Ed Householder | househ001edw | 1898 | 5/19-5/26 | Cortland | New York State League | Cortland, NY | |
| Ed Householder | househ001edw | 1898 | 5/27-9/11 | Buffalo Bisons | Eastern League | Buffalo, NY | |
| William Householder | househ002wil | 1898 | 5/5-5/30 | Bay City Sugar Citys | International League | Bay City, MI | |
| John Houseman | housem002joh | 1898 | 4/14-4/15 | Atlanta Colts | Southern League | Atlanta, GA | |
| John Houseman | housem002joh | 1898 | 5/7-5/19 | Birmingham Reds | Southern League | Birmingham, AL | |
| Howard | howard003--- | 1898 | 4/28 | St. Joseph Saints | Western Association | St. Joseph, MO | |
| Bert Howard | howard002ber | 1898 | 8/1-9/17 | Mansfield Haymakers | Interstate League | Mansfield, OH | |
| Charles Howard | 1898 | +5/4+ | Cuban X Giants | Independent | Cuban, | ||
| Elmer Howard | howard000elm | 1898 | Lincoln NB | Lincoln, NE | |||
| Fred Howard | howard003fre | 1898 | 8/20 | Chatham Reds | Canadian League | Chatham, ON | |
| Henry Howe | howe--001hen | 1898 | , | ||||
| Harry Howell | howell001hen | 1898 | 5/4-9/10 | Meriden Bulldogs | Connecticut State League | Meriden, CT | |
| Harry Howell | howell001hen | 1898 | 10/10- | 2 g. | Brooklyn | National League | Brooklyn, NY |
| Billy Howells | howell005wil | 1898 | 5/5-6/24 | London Cockneys | International League | London, ON | |
| Billy Howells | howell005wil | 1898 | no g. | London Cockneys | Canadian League | London, ON | |
| Billy Hoy | hoy---001wil | 1898 | 148 g. | Louisville | National League | Louisville, KY | |
| Hudson | hudson018--- | 1898 | 7/17+ | Denver Grizzlies | Colorado State League | Denver, CO | |
| Tobe Huffman | hauffm001--- | 1898-99 | 3rd Calvary | Span-Amer | , | ||
| Miller Huggins | huggin001mil | 1898-99 | U. of Cincinnati | College | , | ||
| Hughes | hughes019--- | 1898 | +5/10-5/17+ | Denison | Southwestern League | Denison, TX | |
| Hughes | hughes003--- | 1898 | 16 g. | Sacramento Gilt Edges | Pacific Coast League | Sacramento, CA | |
| Edward Hughes | hughes003--- | 1898 | 4 g. | Sacramento Gilt Edges | Pacific Coast League | Sacramento, CA | |
| Edward Hughes | hughes003--- | 1898 | Fresno | California League | Fresno, CA | ||
| Jay Hughes | hughes008jam | 1898 | Sacramento Gilt Edges | California League | Sacramento, CA | ||
| Jay Hughes | hughes008jam | 1898 | 4/18- | 52 g. | Baltimore | National League | Baltimore, MD |
| Tom Hughes | hughes004tho | 1898 | 6/6 | Fort Wayne Indians | Interstate League | Fort Wayne, IN | |
| W. Hughes | hughes001w-- | 1898 | New Britain Rangers | Connecticut State League | New Britain, CT | ||
| William Hughes | 1898 | no g. | New London Whalers | Connecticut State League | New London, CT | ||
| Jim Hughey | hughey001jim | 1898 | 35 g. | St. Louis | National League | St. Louis, MO | |
| Hulbert | hulber001--- | 1898 | Wichita Eagles | Kansas State League | Wichita, KS | ||
| Billy Hulen | hulen-001bil | 1898 | 4/21- | 128 g. | Columbus Buckeyes/Senators | Western League | Columbus, OH |
| Humphrey | humphr015--- | 1898 | 7/13-8/8 | Chatham Reds | Canadian League | Chatham, ON | |
| Frank Humphrey | humphr001fra | 1898 | 5/5-6/27 | St. Thomas Saints | International League | St. Thomas, ON | |
| Harry Hunt | hunt--001har | 1898 | +5/14-6/14+ | Bradford Pirates | Iron and Oil League | Bradford, PA | |
| John Hunt | 1898 | 4/30-7/4 | Umpire | NE | , | ||
| John Hunt | 1898 | 91 g. | MLB Umpire | National League | , | ||
| J. G. Hunter | 1898 | Grand Rapids Cabinet Makers | Interstate League | Grand Rapids, MI | |||
| S.A. Hunter | hunter001s-- | 1898 | +6/22+ | Olean | Iron and Oil League | Olean, NY | |
| S.A. Hunter | hunter001s-- | 1898 | 7/20- | Butler | Independent | Butler, PA | |
| Ed Hurlburt | hurlbu001edw | 1898 | Memphis Chickasaw | Independent | Memphis, TN | ||
| George Hurlburt | hurlbu001geo | 1898 | 4/9-4/30 | Dallas Colts | Texas League | Dallas, TX | |
| Jerry Hurley | hurley001jer | 1898 | 5/13-9/10 | Utica Pent Ups | New York State League | Utica, NY | |
| Tim Hurst | hurst-001tim | 1898 | 4/15-10/9 | g. | St. Louis | National League | St. Louis, MO |
| Bert Husting | hustin001ber | 1898 | U. of Wisconsin | College | , | ||
| Bert Husting | hustin001ber | 1898 | Juneau WI | Independent | Juneau, WI | ||
| Jack Huston | huston001jac | 1898 | 4/14-5/16 | Savannah | Southern League | Savannah, GA | |
| Jack Huston | huston001jac | 1898 | 5/17-5/19 | Mobile Blackbirds | Southern League | Mobile, AL | |
| Jack Huston | huston001jac | 1898 | 6/8-7/5 | Youngstown Puddlers | Interstate League | Youngstown, OH | |
| Jack Huston | huston001jac | 1898 | 7/7-7/8 | Fort Wayne Indians | Interstate League | Fort Wayne, IN | |
| Jack Huston | huston001jac | 1898 | 7/20-8/3 | Dayton Old Soldiers | Interstate League | Dayton, OH | |
| Hutchinson | hutchi012--- | 1898 | 6/1-6/3 | Danbury Hatters | Connecticut State League | Danbury, CT | |
| Ed Hutchinson | hutchi002ed- | 1898 | 4/28-6/8 | Cedar Rapids Rabbits | Western Association | Cedar Rapids, IA | |
| Ed Hutchinson | hutchi002ed- | 1898 | -6/27 | St. Joseph Saints | Western Association | St. Joseph, MO | |
| Ed Hutchinson | hutchi002ed- | 1898 | 19 g. | Sacramento Gilt Edges | Pacific Coast League | Sacramento, CA | |
| Edwin Hutchinson | hutchi001edw | 1898 | Spokane | Pacific Northwest League | Spokane, WA | ||
| James Hutchinson | hutchi003jam | 1898 | 5/2-5/9 | Taunton Herrings | New England League | Taunton, MA | |
| Ralph Hutchinson | hutchi002ral | 1898-00 | Princeton Univ | College | , | ||
| Bill Hutchison | hutchi001bil | 1898 | , | ||||
| Charles Hutton | hutton001cha | 1898 | 4/25-5/7 | Grand Rapids Cabinet Makers | Interstate League | Grand Rapids, MI | |
| Harry Hyde | hyde--000har | 1898 | Chicago Unions | Independent | Chicago, IL | ||
| Ham Iburg | iburg-001her | 1898 | 1 g. | Stockton | California League | Stockton, CA | |
| Ham Iburg | iburg-001her | 1898 | 3 g. | San Jose | Pacific Coast League | San Jose, CA | |
| Ham Iburg | iburg-001her | 1898 | 30 g. | San Jose | Pacific Coast League | San Jose, CA | |
| Ham Iburg | iburg-001her | 1898 | Fresno/Watsonville | Pacific Coast League | Watsonville, CA | ||
| Bert Inks | inks--001ber | 1898 | 5/3-5/4 | Norfolk Jewels | Atlantic League | Norfolk, VA | |
| Arthur Irwin | irwin-001art | 1898 | 4/28-9/11 | Toronto Canucks | Eastern League | Toronto, ON | |
| Arthur Irwin | irwin-001art | 1898 | 9/13- | g. | Washington | National League | Washington, DC |
| Charlie Irwin | irwin-001cha | 1898 | 136 g. | Cincinnati | National League | Cincinnati, OH | |
| Charlie Irwin | irwin-001cha | 1898 | 5 g. | Oakland Reliance | California League | Oakland, CA | |
| John Irwin | irwin-001joh | 1898 | 5/29-6/16 | Umpire | Atl | , | |
| John Irwin | irwin-001joh | 1898 | in war at Santiago | , | |||
| Thomas Irwin | irwin-004tho | 1898 | 4/21-7/13 | Detroit Tigers | Western League | Detroit, MI | |
| Thomas Irwin | irwin-004tho | 1898 | 9/4 | Detroit Tigers | Western League | Detroit, MI | |
| Thomas Irwin | irwin-004tho | 1898 | 8/10-8/17 | Chatham Reds | Canadian League | Chatham, ON | |
| Irwin Isaacs | isaacs001irw | 1898 | 11 g. | Fort Worth Panthers | Texas League | Fort Worth, TX | |
| Irwin Isaacs | isaacs001irw | 1898 | +6/5+ | Pauls Valley OK | Independent | Pauls Valley, OK | |
| Frank Isbell | isbell001wil | 1898 | 5/1- | 45 g. | Chicago | National League | Chicago, IL |
| Frank Isbell | isbell001wil | 1898 | 28 g. | St. Paul Apostles/Saints | Western League | St. Paul, MN | |
| Israel | israel002--- | 1898 | +4/30+ | Little Rock | Southwestern League | Little Rock, AR | |
| Tom Ivers | ivers-001tho | 1898 | 5/4-9/9 | Bridgeport Orators | Connecticut State League | Bridgeport, CT | |
| Fred Jacklitsch | jackli001fre | 1898 | 5/6-5/31 | Montreal Royals | Eastern League | Montreal, QC | |
| Fred Jacklitsch | jackli001fre | 1898 | 6/2-6/6 | Lyons | New York State League | Lyons, NY | |
| Fred Jacklitsch | jackli001fre | 1898 | 6/7-9/10 | Montreal Royals | Eastern League | Montreal, QC | |
| Al Jacks | jacks-001al- | 1898 | Austin | Independent | Austin, TX | ||
| Al Jacks | jacks-001al- | 1898 | 6/3 | San Antonio Missionaries | Texas League | San Antonio, TX | |
| Al Jacks | jacks-001al- | 1898 | Bastrop | Independent | Bastrop, TX | ||
| Jackson | jackso052--- | 1898 | +8/21+ | Fort Collins | Colorado State League | Fort Collins, CO | |
| Andy Jackson | jackso005and | 1898 | +5/4+ | Cuban X Giants | Independent | Cuban, | |
| Robert Jackson | 1898 | Chicago Unions | Independent | Chicago, IL | |||
| Mike Jacob | jacobs001mor | 1898 | 4/26-5/6 | Paterson Weavers | Atlantic League | Paterson, NJ | |
| M. Jacobs | jacobs001m-- | 1898 | 5/28- | Williamsport | Central Pennsylvania League | Williamsport, PA | |
| James | 1898 | 1 g. | San Francisco | Pacific Coast League | San Francisco, CA | ||
| Jack Jamieson | jamies001jac | 1898 | 4/9-5/15 | Galveston Sandcrabs | Texas League | Galveston, TX | |
| Janes | janes-001--- | 1898 | 4/29 | Atlanta Colts | Southern League | Atlanta, GA | |
| Jack Jarvis | jarvis005wil | 1898 | 7 g. | Fort Worth Panthers | Texas League | Fort Worth, TX | |
| Jenkins | jenkin019--- | 1898 | +6/12-6/26+ | Louisville | Colorado State League | Louisville, CO | |
| Jonnie Jenkins | 1898 | no g. | Shreveport Grays | Southwestern League | Shreveport, LA | ||
| Jennings | 1898 | 1 g. | Oakland Reliance | Pacific Coast League | Oakland, CA | ||
| Hughie Jennings | jennin001hug | 1898 | 143 g. | Baltimore | National League | Baltimore, MD | |
| Clarence Jessup | jessup001cla | 1898 | preseason | Grand Rapids Cabinet Makers | Interstate League | Grand Rapids, MI | |
| Clarence Jessup | jessup001cla | 1898 | +6/26+ | Elwood IN | Independent | Elwood, IN | |
| Clarence Jessup | jessup001cla | 1898 | +10/9+ | Richmond IN | Independent | Richmond, IN | |
| Fred Jevne | jevne-001fre | 1898 | 4/15-5/3 | Umpire | So | , | |
| Charles Jewell | 1898 | 5/30-6/8 | Zanesville Clay Diggers | Ohio State League | Zanesville, OH | ||
| Charley Jewell | jewell000cha | 1898 | Norfolk Jewels | Atlantic League | Norfolk, VA | ||
| Jacob Jimerson | jamiso001jac | 1898 | Carlisle-Indian | School | , | ||
| Jacob Jimerson | jamiso001jac | 1898 | 6/6-9/6 | Wilkes-Barre Coal Barons | Eastern League | Wilkes-Barre, PA | |
| Johns | johns-005--- | 1898 | 4/25-4/29 | Savannah | Southern League | Savannah, GA | |
| Ed Johns | johns-001ed- | 1898 | 5/9-6/26+ | Louisville | Colorado State League | Louisville, CO | |
| A.L. Johnson | johnso006a-- | 1898 | Oil City Oilers/Dunkirk-Fredonia | Iron and Oil League | Oil City, PA | ||
| Abbie Johnson | johnso002abb | 1898 | 4/26-9/10 | Paterson Weavers | Atlantic League | Paterson, NJ | |
| Chappie Johnson | johnso025cha | 1898 | Adrian Page Fence | Independent | Adrian, MI | ||
| Grant Johnson | johnso003gra | 1898 | Chicago Unions | Independent | Chicago, IL | ||
| Grant Johnson | johnso003gra | 1898 | Chic.-Columbia | Independent | Chicago, IL | ||
| James Johnson | 1898 | Adrian Page Fence | Independent | Adrian, MI | |||
| Lefty Johnson | johnso037wil | 1898 | 4/30-6/2 | Taunton Herrings | New England League | Taunton, MA | |
| Lute Johnson | johnso002lut | 1898 | 5/5-7/5 | London Cockneys | International League | London, ON | |
| Lute Johnson | johnso002lut | 1898 | 7/13-9/3 | London Cockneys | Canadian League | London, ON | |
| Lute Johnson | johnso002lut | 1898 | 13 g. | London Cockneys | Canadian League | London, ON | |
| Thomas Johnson | johnso007tho | 1898 | 5/11-5/17 | Rochester Patriots/Ottawa Wanderers | Eastern League | Rochester, NY | |
| Thomas Johnson | johnso007tho | 1898 | 6/2-9/10 | Utica Pent Ups | New York State League | Utica, NY | |
| Youngy Johnson | johnso002you | 1898 | 6 g. | San Francisco Athletics | Pacific Coast League | San Francisco, CA | |
| Youngy Johnson | johnso002you | 1898 | 39 g. | San Francisco Athletics | Pacific Coast League | San Francisco, CA | |
| Youngy Johnson | johnso002you | 1898 | 6 g. | San Francisco Athletics | Pacific Coast League | San Francisco, CA | |
| Johnston | 1898 | San Francisco Athletics | California League | San Francisco, CA | |||
| Bill Johnston | johnst004wil | 1898 | 4/29-6/3 | New Castle Quakers | Interstate League | New Castle, PA | |
| Jim Johnstone | johnst001jim | 1898 | 4/30-5/4 | Toronto Canucks | Eastern League | Toronto, ON | |
| Leslie Johnstone | johnst001les | 1898 | 5/12-9/8 | New Haven Blues | Connecticut State League | New Haven, CT | |
| Jones | jones-023--- | 1898 | Torrington CT | Independent | Torrington, CT | ||
| Alex Jones | jones-002ale | 1898 | 4/26-9/10 | Paterson Weavers | Atlantic League | Paterson, NJ | |
| Bert Jones | jones-001ber | 1898 | Atchison Huskers | Kansas State League | Atchison, KS | ||
| Bert Jones | jones-001ber | 1898 | Independent | , | |||
| Bumpus Jones | jones-011cha | 1898 | 4/21- | 48 g. | Columbus Buckeyes/Senators | Western League | Columbus, OH |
| Charlie Jones | jones-005cha | 1898 | 5/5-6/10 | London Cockneys | International League | London, ON | |
| Charlie Jones | jones-005cha | 1898 | 6/16-7/7 | Saginaw Braves | International League | Saginaw, MI | |
| Charlie Jones | jones-005cha | 1898 | 7/13-9/20 | Chatham Reds | Canadian League | Chatham, ON | |
| Cowboy Jones | jones-003alb | 1898 | 6/24- | 9 g. | Cleveland | National League | Cleveland, OH |
| Emery Jones | jones-001eme | 1898 | Wichita Eagles | Kansas State League | Wichita, KS | ||
| Fielder Jones | jones-001fie | 1898 | 146 g. | Brooklyn | National League | Brooklyn, NY | |
| Jim Jones | jones-022jam | 1898 | 4/15-5/19 | Charleston Seagulls | Southern League | Charleston, SC | |
| Jim Jones | jones-022jam | 1898 | 6/11-9/10 | Cortland | New York State League | Cortland, NY | |
| Oda Jones | 1898 | Celoron Acme Colored Giants | Iron and Oil League | Jamestown, NY | |||
| Oda Jones | 1898 | Celoron Acme Colored Giants | Iron and Oil League | Jamestown, NY | |||
| Willis Jones | jones-041wil | 1898 | Chicago Unions | Independent | Chicago, IL | ||
| Charlie Jordan | jordan003cha | 1898 | 4/30-7/4 | Newark Colts | Atlantic League | Newark, NJ | |
| Charlie Jordan | jordan003cha | 1898 | 7/20-9/10 | Newark Colts | Atlantic League | Newark, NJ | |
| Harry Jordan | jordan002har | 1898 | 4/7 | Youngstown Puddlers | Interstate League | Youngstown, OH | |
| Robert Jordan | 1898 | Cuban X Giants | Independent | Cuban, | |||
| Addie Joss | joss--001adr | 1898 | 6 g. | Juneau WI | Independent | Juneau, WI | |
| Addie Joss | joss--001adr | 1898 | Sheboygan WI | Independent | Sheboygan, WI | ||
| Addie Joss | joss--001adr | 1898 | Manitowoc WI | Independent | Manitowoc, WI | ||
| Joyce | joyce-001--- | 1898 | +5/20-5/30+ | Salem | Ohio State League | Salem, OH | |
| Bill Joyce | joyce-001bil | 1898 | 145 g. | New York | National League | New York, NY | |
| P.J. Joyce | joyce-001p-- | 1898 | 5/13-5/30 | Olean | Iron and Oil League | Olean, NY | |
| William Joyner | 1898 | Chicago Unions | Independent | Chicago, IL | |||
| Jupiter | jupite001--- | 1898 | Celoron Acme Colored Giants | Iron and Oil League | Jamestown, NY | ||
| Jupiter | jupite001--- | 1898 | Celoron Acme Colored Giants | Iron and Oil League | Jamestown, NY | ||
| Maurice Justice | justic001mau | 1898 | 4/25-5/12 | Grand Rapids Cabinet Makers | Interstate League | Grand Rapids, MI | |
| Maurice Justice | justic001mau | 1898 | Richmond IN | Independent | Richmond, IN | ||
| Mike Kahoe | kahoe-001mic | 1898 | 4/20-9/20 | Indianapolis Hoosiers | Western League | Indianapolis, IN | |
| Charles Kain | kain--001cha | 1898 | 4/27-6/7 | Richmond Bluebirds | Atlantic League | Richmond, VA | |
| Charles Kain | kain--001cha | 1898 | 6/16-7/2 | Norfolk Jewels | Atlantic League | Norfolk, VA | |
| George Kalkhoff | kalkho002geo | 1898 | 5/31-6/17 | Cortland | New York State League | Cortland, NY | |
| George Kalkhoff | kalkho002geo | 1898 | 6/21-9/10 | Oswego Grays | New York State League | Oswego, NY | |
| Kane | 1898 | +7/30+ | Aspen | Colorado State League | Aspen, CO | ||
| Billy Kane | kane--002wil | 1898 | 4/28-6/27 | Dubuque Tigers | Western Association | Dubuque, IA | |
| Billy Kane | kane--002wil | 1898 | 7/13-9/4 | Dayton Old Soldiers | Interstate League | Dayton, OH | |
| William Kane | kane--003wil | 1898 | Co I, 16th PVI | Span.-Amer | , | ||
| Kanzee | 1898 | 1 g. | San Jose | California League | San Jose, CA | ||
| Karl | karl--002--- | 1898 | 5/3-5/4 | Dayton Old Soldiers | Interstate League | Dayton, OH | |
| Jack Katoll | katoll001joh | 1898 | 5/5-5/20 | Fall River Indians | New England League | Fall River, MA | |
| Jack Katoll | katoll001joh | 1898 | 5/23-5/30 | Taunton Herrings | New England League | Taunton, MA | |
| Jack Katoll | katoll001joh | 1898 | 6/21-7/4 | Fall River Indians | New England League | Fall River, MA | |
| Jack Katoll | katoll001joh | 1898 | 7/9-7/16 | Newark Colts | Atlantic League | Newark, NJ | |
| Jack Katoll | katoll001joh | 1898 | 7/24-8/27 | Hartford Cooperatives | Atlantic League | Hartford, CT | |
| Jack Katoll | katoll001joh | 1898 | 9/9- | 2 g. | Chicago | National League | Chicago, IL |
| Joe Katz | katz--002jos | 1898 | 4/26-7/9 | Mansfield Haymakers | Interstate League | Mansfield, OH | |
| Joe Katz | katz--002jos | 1898 | 7/29-9/3 | Youngstown Puddlers | Interstate League | Youngstown, OH | |
| Phil Kavanaugh | kavana001phi | 1898 | Jefferson City MOIndep | Jefferson City, MO | |||
| C.M. Keck | keck--000cm- | 1898 | 5/2-9/11 | Glenwood Springs | Colorado State League | Glenwood Springs, CO | |
| George Keefe | keefe-002geo | 1898 | 4/9-5/15 | Houston Buffaloes | Texas League | Houston, TX | |
| Pat Keefe | keefe-001pat | 1898 | 6/25-10/26 | Co M, 24th NY | Span-Amer | , | |
| Tim Keefe | keefe-001tim | 1898 | 5/1-6/27 | Ottumwa Giants | Western Association | Ottumwa, IA | |
| Harry Keefer | keefer001har | 1898 | Span-Amer | , | |||
| Keegan | 1898 | 1 g. | Oakland Reliance | Pacific Coast League | Oakland, CA | ||
| Willie Keeler | keeler001wil | 1898 | 129 g. | Baltimore | National League | Baltimore, MD | |
| Harry Keenan | keenan000har | 1898 | 4/28-9/9 | Toledo Mud Hens | Interstate League | Toledo, OH | |
| Jack Keenan | keenan001kid | 1898 | 4/30-7/9 | Wilkes-Barre Coal Barons | Eastern League | Wilkes-Barre, PA | |
| Jack Keenan | keenan001kid | 1898 | 7/18-9/9 | Utica Pent Ups | New York State League | Utica, NY | |
| Joe Keenan | keenan001jos | 1898 | 5/5-7/7 | London Cockneys | International League | London, ON | |
| Joe Keenan | keenan001jos | 1898 | 7/13-9/20 | London Cockneys | Canadian League | London, ON | |
| Harry Keener | keener001har | 1898 | 5/14-9/5 | Allentown Peanuts | Atlantic League | Allentown, PA | |
| Bill Keister | keiste001wil | 1898 | 10 g. | Boston | National League | Boston, MA | |
| Bill Keister | keiste001wil | 1898 | 5/26-7/12 | Rochester Patriots/Ottawa Wanderers | Eastern League | Rochester, NY | |
| Bill Keister | keiste001wil | 1898 | 7/26-9/10 | Rochester Patriots/Ottawa Wanderers | Eastern League | Ottawa, ON | |
| George Kelb | kelb--002geo | 1898 | 4/17-6/24 | 3 g. | Cleveland | National League | Cleveland, OH |
| George Kelb | kelb--002geo | 1898 | 7/14-8/29 | London Cockneys | Canadian League | London, ON | |
| Hugh Kellackey | kellac001hug | 1898 | 5/6-6/4 | St. Thomas Saints | International League | St. Thomas, ON | |
| George Kelley | kelley003geo | 1898 | 1 g. | Fresno | California League | Fresno, CA | |
| George Kelley | kelley003geo | 1898 | 1 g. | Stockton | California League | Stockton, CA | |
| Joe Kelley | kelley002jos | 1898 | 124 g. | Baltimore | National League | Baltimore, MD | |
| Mike Kelley | kelley002mic | 1898 | 4/30-7/4 | Newport Colts | New England League | Newport, RI | |
| Mike Kelley | kelley002mic | 1898 | 7/8-7/12 | Rochester Patriots/Ottawa Wanderers | Eastern League | Rochester, NY | |
| Mike Kelley | kelley002mic | 1898 | 7/13-9/10 | Rochester Patriots/Ottawa Wanderers | Eastern League | Ottawa, ON | |
| Albert Kellner | kellne001alb | 1898 | 4/26-5/12 | Mansfield Haymakers | Interstate League | Mansfield, OH | |
| Albert Kellner | kellne001alb | 1898 | +5/30-6/8 | Zanesville Clay Diggers | Ohio State League | Zanesville, OH | |
| Frank Kellogg | kellog001sis | 1898 | 5/13-7/12+ | Olean | Iron and Oil League | Olean, NY | |
| Win Kellum | kellum001win | 1898 | 6/6-9/17 | Mansfield Haymakers | Interstate League | Mansfield, OH | |
| Kelly | kelly-078--- | 1898 | +6/21+ | Oil City Oilers/Dunkirk-Fredonia | Iron and Oil League | Oil City, PA | |
| Kelly | kelly-023--- | 1898 | 6/17-6/25 | New Britain Rangers | Connecticut State League | New Britain, CT | |
| Kelly | kelly-033--- | 1898 | Fresno/Watsonville | Pacific Coast League | Watsonville, CA | ||
| Billy Kelly | kelly-004wil | 1898 | 2 g. | San Francisco Athletics | Pacific Coast League | San Francisco, CA | |
| Billy Kelly | kelly-004wil | 1898 | 4 g. | San Francisco | Pacific Coast League | San Francisco, CA | |
| Charles Kelly | kelly-005cha | 1898 | 4/30-5/23 | Taunton Herrings | New England League | Taunton, MA | |
| Frank Kelly | kelly-007fra | 1898 | 6/3-7/1 | Springfield Ponies/Maroons | Eastern League | Springfield, MA | |
| George Kelly | kelly-005geo | 1898 | 4/14-5/19 | Augusta | Southern League | Augusta, GA | |
| John Kelly | kelly-012joh | 1898 | 4/10-5/19 | Mobile Blackbirds | Southern League | Mobile, AL | |
| John Kelly | kelly-013joh | 1898 | 5/13-6/3+ | Oil City Oilers/Dunkirk-Fredonia | Iron and Oil League | Oil City, PA | |
| Thomas Kelly | kelly-001tho | 1898 | 2 g. | San Jose | California League | San Jose, CA | |
| W.L. Kelly | kelly-000wl- | 1898 | Spokane | Pacific Northwest League | Spokane, WA | ||
| W.L. Kelly | kelly-000wl- | 1898 | Tacoma | Pacific Northwest League | Tacoma, WA | ||
| William Kelly | kelly-019wil | 1898 | Celoron Acme Colored Giants | Iron and Oil League | Jamestown, NY | ||
| William Kelly | kelly-015wil | 1898 | 5/13-5/19 | Lyons | New York State League | Lyons, NY | |
| Frank Kelly/ey | kelly-008fra | 1898 | 5/4-5/31 | Derby Angels | Connecticut State League | Derby, CT | |
| Kelty | 1898 | 5/18- | Spokane | Pacific Northwest League | Spokane, WA | ||
| Bill Kemmer | kemmer001wil | 1898 | 4/9-5/15 | Houston Buffaloes | Texas League | Houston, TX | |
| Kennedy | kenned006--- | 1898 | 6/21 | Dubuque Tigers | Western Association | Dubuque, IA | |
| Kennedy | kenned047--- | 1898 | +6/21+ | Bradford Pirates | Iron and Oil League | Bradford, PA | |
| Kennedy | 1898 | Duquesne PA | Independent | Duquesne, PA | |||
| Albert Kennedy | kenned002alb | 1898 | 4/26-5/20 | Norfolk Jewels | Atlantic League | Norfolk, VA | |
| Albert Kennedy | kenned002alb | 1898 | 5/28-8/31 | Paterson Weavers | Atlantic League | Paterson, NJ | |
| Brickyard Kennedy | kenned005wil | 1898 | 40 g. | Brooklyn | National League | Brooklyn, NY | |
| Charles Kennedy | kenned001cha | 1898 | 5/4-7/23 | Derby Angels | Connecticut State League | Derby, CT | |
| Charles Kennedy | kenned001cha | 1898 | 7/29-9/10 | New London Whalers | Connecticut State League | New London, CT | |
| Doc Kennedy | kenned001doc | 1898 | 5/13-6/9 | Johnstown/Palmyra Mormans | New York State League | Palmyra, PA | |
| Sam Kennedy | kenned001sam | 1898 | 5/4-5/7 | Waterbury Pirates | Connecticut State League | Waterbury, CT | |
| Sam Kennedy | kenned001sam | 1898 | 5/13-9/10 | Danbury Hatters | Connecticut State League | Danbury, CT | |
| Kenney | kenney004--- | 1898 | 5/21+ | Williamsport | Central Pennsylvania League | Williamsport, PA | |
| James Kent | kent--001jam | 1898 | 5 g. | San Jose | Pacific Coast League | San Jose, CA | |
| James Kent | kent--001jam | 1898 | 41 g. | San Jose | Pacific Coast League | San Jose, CA | |
| Jack Kerchartz | kercha001jac | 1898 | Warren | Iron and Oil League | Warren, PA | ||
| Al Kern | kern--001alv | 1898 | 5/5-7/4 | Port Huron Tigers | International League | Port Huron, MI | |
| Al Kern | kern--001alv | 1898 | 7/13-9/20 | St. Thomas Saints | Canadian League | St. Thomas, ON | |
| William Kershaw | kersha001wil | 1898 | no g. | Pittsburgh | National League | Pittsburgh, PA | |
| Ketchell | ketche001--- | 1898 | 4/10-4/18 | Montgomery Senators | Southern League | Montgomery, AL | |
| Fred Ketchum | ketchu001fre | 1898 | 5/13-9/10 | Cortland | New York State League | Cortland, NY | |
| Wilson Kidd | 1898 | Saginaw Braves | International League | Saginaw, MI | |||
| Kiel | kiel--001--- | 1898 | 5/26+ | Williamsport | Central Pennsylvania League | Williamsport, PA | |
| Peter Kiernan | kierna001pet | 1898 | 5/4-9/10 | Waterbury Pirates | Connecticut State League | Waterbury, CT | |
| George Kihm | kihm--001geo | 1898 | 4/26-6/18 | Fort Wayne Indians | Interstate League | Fort Wayne, IN | |
| George Kihm | kihm--001geo | 1898 | 6/22-9/17 | New Castle Quakers | Interstate League | New Castle, PA | |
| John Killacky | killac001joh | 1898 | 4/28- | 37 g. | Dubuque Tigers | Western Association | Dubuque, IA |
| Henry Killeen | killee002hen | 1898 | out of baseball | , | |||
| Frank Killen | killen002fra | 1898 | 24 g. | Pittsburgh | National League | Pittsburgh, PA | |
| Frank Killen | killen002fra | 1898 | 21 g. | Washington | National League | Washington, DC | |
| Matt Kilroy | kilroy001mat | 1898 | -8/17 | 26 g. | Chicago | National League | Chicago, IL |
| Mike Kilroy | kilroy001mik | 1898 | Sunbury | Central Pennsylvania League | Sunbury, PA | ||
| Mike Kilroy | kilroy001mik | 1898 | 6/4-6/13 | Youngstown Puddlers | Interstate League | Youngstown, OH | |
| Mike Kilroy | kilroy001mik | 1898 | Umpire | IntSt | , | ||
| W. Kilroy | 1898 | Phil.-ClevWheelmen | Independent | Philadelphia, PA | |||
| John Kimble | kimbal002joh | 1898 | 4/14-5/17 | Charleston Seagulls | Southern League | Charleston, SC | |
| John Kimble | kimbal002joh | 1898 | 6/7-6/22 | Norfolk Jewels | Atlantic League | Norfolk, VA | |
| King | king--037--- | 1898 | 7/4-7/21 | Johnstown/Palmyra Mormans | New York State League | Palmyra, PA | |
| Husky King | king--002h-- | 1898 | Sgt., Troop F. | 1st US VCav | , | ||
| J.W. King | king--001jw- | 1898 | 4/30-6/10 | Taunton Herrings | New England League | Taunton, MA | |
| J.W. King | king--001jw- | 1898 | 6/11-6/16 | New Bedford Whalers/Worcester | New England League | New Bedford, MA | |
| J.W. King | king--001jw- | 1898 | 6/18-7/4 | Taunton Herrings | New England League | Taunton, MA | |
| J.W. King | king--001jw- | 1898 | 7/14-7/23 | New Haven Blues | Connecticut State League | New Haven, CT | |
| Billy Kinloch | kinloc001bil | 1898 | Atchison Huskers | Kansas State League | Atchison, KS | ||
| Billy Kinloch | kinloc001bil | 1898 | 4/28-6/27 | St. Joseph Saints | Western Association | St. Joseph, MO | |
| Billy Kinloch | kinloc001bil | 1898 | 8/9-8/10 | Omaha Omahogs/St. Joseph Saints | Western League | St. Joseph, MO | |
| Benjamin Kinney | kinney001ben | 1898 | 5/4-9/10 | New London Whalers | Connecticut State League | New London, CT | |
| Larry Kinsella | kinsel001law | 1898 | 5/4-7/30+ | Meriden Bulldogs | Connecticut State League | Meriden, CT | |
| Larry Kinsella | kinsel001law | 1898 | 8/22-9/10 | Waterbury Pirates | Connecticut State League | Waterbury, CT | |
| Tom Kinslow | kinslo001tom | 1898 | -9/3 | 3 g. | Washington | National League | Washington, DC |
| Tom Kinslow | kinslo001tom | 1898 | 14 g. | St. Louis | National League | St. Louis, MO | |
| Kirk | kirk--005--- | 1898 | +6/3 | Salem | Ohio State League | Salem, OH | |
| Bill Kissinger | kissin001bil | 1898 | 5/2-6/21 | Syracuse Stars | Eastern League | Syracuse, NY | |
| Bill Kissinger | kissin001bil | 1898 | 6/22-7/28 | Rome Romans | New York State League | Rome, NY | |
| Bill Kissinger | kissin001bil | 1898 | 8/12 | Oswego Grays | New York State League | Oswego, NY | |
| Frank Kitson | kitson001fra | 1898 | 5/19- | 31 g. | Baltimore | National League | Baltimore, MD |
| Malachi Kittridge | kittri001mal | 1898 | 86 g. | Louisville | National League | Louisville, KY | |
| Butsey Kleeman | kleema001e-- | 1898 | Cinc.-Shamrocks | Independent | Cincinnati, OH | ||
| Bill Kleiber | kleibe001bil | 1898 | 5/18-7/31 | Tacoma | Pacific Northwest League | Tacoma, WA | |
| Red Kleinow | kleino001joh | 1898 | Waupun WI | Independent | Waupun, WI | ||
| Johnny Kling | kling-001joh | 1898 | , | ||||
| Rudy Kling | kling-001rud | 1898 | 4/14-5/19 | Charleston Seagulls | Southern League | Charleston, SC | |
| Fred Klobedanz | klobed001fre | 1898 | 43 g. | Boston | National League | Boston, MA | |
| Gus Klopf | klopf-001gus | 1898 | 4/27-9/10 | Richmond Bluebirds | Atlantic League | Richmond, VA | |
| Gus Klopf | klopf-001gus | 1898 | 9/13-9/20 | Kansas City Blues | Western League | Kansas City, MO | |
| H.W. Kluge | kluge-001h-- | 1898 | Louisville | Colorado State League | Louisville, CO | ||
| Billy Klusman | klusma001bil | 1898 | 4/26-9/5 | Norfolk Jewels | Atlantic League | Norfolk, VA | |
| A.J. Knapp | knapp-001a-- | 1898 | 6/26-7/7 | Saginaw Braves | International League | Saginaw, MI | |
| Louis Knau | knau--001lou | 1898 | 4/9-5/9 | Austin Senators | Texas League | Austin, TX | |
| Louis Knau | knau--001lou | 1898 | 6/11-9/18 | Dayton Old Soldiers | Interstate League | Dayton, OH | |
| Knauff | knauff002--- | 1898 | 6/25 | Allentown Peanuts | Atlantic League | Allentown, PA | |
| Phil Knell | knell-001phi | 1898 | 5 g. | San Francisco Athletics | Pacific Coast League | San Francisco, CA | |
| Phil Knell | knell-001phi | 1898 | 24 g. | Stockton | Pacific Coast League | Stockton, CA | |
| Phil Knell | knell-001phi | 1898 | San Francisco Athletics | California League | San Francisco, CA | ||
| Phil Knell | knell-001phi | 1898 | Fresno | California League | Fresno, CA | ||
| Charlie Knepper | kneppe002cha | 1898 | 4/25 | Indianapolis Hoosiers | Western League | Indianapolis, IN | |
| Charlie Knepper | kneppe002cha | 1898 | 5/20-9/15 | Youngstown Puddlers | Interstate League | Youngstown, OH | |
| Joe Knight | knight002jos | 1898 | 4/29-7/9 | Wilkes-Barre Coal Barons | Eastern League | Wilkes-Barre, PA | |
| Joe Knight | knight002jos | 1898 | 8/2-8/11 | St. Thomas Saints | Canadian League | St. Thomas, ON | |
| Joe Knight | knight002jos | 1898 | 8/13-9/10 | Rochester Patriots/Ottawa Wanderers | Eastern League | Ottawa, ON | |
| Julius Knoll | knoll-001jul | 1898 | 4/21-8/18 | Columbus Buckeyes/Senators | Western League | Columbus, OH | |
| Julius Knoll | knoll-001jul | 1898 | 8/25-8/27 | St. Paul Apostles/Saints | Western League | St. Paul, MN | |
| Jack Knorr | knorr-001joh | 1898 | 4/30-5/30 | Pawtucket Tigers | New England League | Pawtucket, RI | |
| Arnold Knowlton | knowlt001arn | 1898 | 4/21-5/21 | Shreveport Grays | Southwestern League | Shreveport, LA | |
| Dick Knox | knox--002ric | 1898 | 4/14-5/10 | Birmingham Reds | Southern League | Birmingham, AL | |
| Dick Knox | knox--002ric | 1898 | 5/30-6/7 | Norfolk Jewels | Atlantic League | Norfolk, VA | |
| Will Kohnle | kohnle001wil | 1898 | 4/9-5/9 | Austin Senators | Texas League | Austin, TX | |
| Will Kohnle | kohnle001wil | 1898 | 7/2-7/16 | Cortland | New York State League | Cortland, NY | |
| Jim Korwan | korwan001jim | 1898 | 4/30-8/24 | Springfield Ponies/Maroons | Eastern League | Springfield, MA | |
| Joe Kostal | kostal001jos | 1898 | 5/5-6/21 | Grand Rapids Cabinet Makers | Interstate League | Grand Rapids, MI | |
| Joe Kostal | kostal001jos | 1898 | 6/25 | Springfield Governors | Interstate League | Springfield, OH | |
| Joe Kostal | kostal001jos | 1898 | 7/20-9/15 | Mansfield Haymakers | Interstate League | Mansfield, OH | |
| Krampf | krampf001--- | 1898 | 6/25-7/4 | London Cockneys | International League | London, ON | |
| Bill Krieg | krieg-001bil | 1898 | 4/28-6/6 | Burlington Hawkeyes | Western Association | Burlington, IA | |
| Edward Kripp | 1898 | 3/26-4/24 | Sacramento Gilt Edges | California League | Sacramento, CA | ||
| Edward Kripp | 1898 | Sacramento Gilt Edges | Pacific Coast League | Sacramento, CA | |||
| John Kroell | kroell001joh | 1898 | 5/8-7/7 | Louisville | Colorado State League | Louisville, CO | |
| Kroghan | 1898 | 5 g. | San Francisco Athletics | Pacific Coast League | San Francisco, CA | ||
| Ernest Krueger | kruege002ern | 1898 | Muskegon | Independent | Muskegon, MI | ||
| Otto Krueger | kruege002art | 1898 | 4/9-5/9 | San Antonio Missionaries | Texas League | San Antonio, TX | |
| Otto Krueger | kruege002art | 1898 | Topeka Giants | Kansas State League | Topeka, KS | ||
| Henry Krug | krug--001hen | 1898 | 5 g. | Oakland Reliance | Pacific Coast League | Oakland, CA | |
| Henry Krug | krug--001hen | 1898 | 2 g. | San Francisco | Pacific Coast League | San Francisco, CA | |
| Henry Krug | krug--001hen | 1898 | 38 g. | San Francisco Athletics | Pacific Coast League | San Francisco, CA | |
| Karl Krug | krug--001kar | 1898 | 6 g. | San Francisco | Pacific Coast League | San Francisco, CA | |
| Karl Krug | krug--001kar | 1898 | 15 g. | San Francisco Athletics | Pacific Coast League | San Francisco, CA | |
| Bill Kuehne | kuehne001bil | 1898 | 4/22 | Columbus Buckeyes/Senators | Western League | Columbus, OH | |
| Bill Kuehne | kuehne001bil | 1898 | 5/8-5/20 | Detroit Tigers | Western League | Detroit, MI | |
| Bill Kuehne | kuehne001bil | 1898 | 5/23-7/5 | St. Thomas Saints | International League | St. Thomas, ON | |
| Bill Kuehne | kuehne001bil | 1898 | 7/13-8/23 | St. Thomas Saints | Canadian League | St. Thomas, ON | |
| Bill Kuehne | kuehne001bil | 1898 | 8/27 | Chatham Reds | Canadian League | Chatham, ON | |
| Bill Kuehne | kuehne001bil | 1898 | StL-amateur | Amat | St. Louis, MO | ||
| Jimmy Kuhn | kuhn--001jam | 1898 | Bradford Pirates | Iron and Oil League | Bradford, PA | ||
| Jimmy Kuhn | kuhn--001jam | 1898 | Cape May | Independent | Cape May, NJ | ||
| Charlie Kuhns | kuhns-001cha | 1898 | Bradford Pirates | Iron and Oil League | Bradford, PA | ||
| Charlie Kuhns | kuhns-001cha | 1898 | Atlantic City | Independent | Atlantic City, NJ | ||
| George Kuntzsch | kuntzc001geo | 1898 | 8/19-9/11 | Syracuse Stars | Eastern League | Syracuse, NY | |
| George LaChance | lachan001geo | 1898 | 136 g. | Brooklyn | National League | Brooklyn, NY | |
| Hi Ladd | ladd--001art | 1898 | 4/30-7/4 | Fall River Indians | New England League | Fall River, MA | |
| Hi Ladd | ladd--001art | 1898 | 7/12- | 1 g. | Pittsburgh | National League | Pittsburgh, PA |
| Hi Ladd | ladd--001art | 1898 | 1 g. | Boston | National League | Boston, MA | |
| Hi Ladd | ladd--001art | 1898 | 7/17 | Providence Clamdiggers/Grays | Eastern League | Providence, RI | |
| John Lafleur | lafleu001joh | 1898 | 5/5-7/7 | Saginaw Braves | International League | Saginaw, MI | |
| Nap Lajoie | lajoie001nap | 1898 | 147 g. | Philadelphia | National League | Philadelphia, PA | |
| Fred Lake | lake--001fre | 1898 | 5/2-7/10 | Syracuse Stars | Eastern League | Syracuse, NY | |
| Fred Lake | lake--001fre | 1898 | 5 g. | Pittsburgh | National League | Pittsburgh, PA | |
| Dan Lally | lally-001dan | 1898 | 4/27-5/25 | Columbus Buckeyes/Senators | Western League | Columbus, OH | |
| Dan Lally | lally-001dan | 1898 | 5/31-7/7 | Minneapolis Millers | Western League | Minneapolis, MN | |
| Dan Lally | lally-001dan | 1898 | 7/10-9/19 | Columbus Buckeyes/Senators | Western League | Columbus, OH | |
| Donald Lally | lally-001don | 1898 | 5/1-9/18 | Umpire | IntSt | , | |
| E. B. Lamar | 1898 | Cuban X Giants | Independent | Cuban, | |||
| William Lambert | lamber002wil | 1898 | 4/28-5/10 | St. Joseph Saints | Western Association | St. Joseph, MO | |
| Pete Lamer | lamer-001pie | 1898 | W.NY-Field | Independent | , | ||
| Pete Lamer | lamer-001pie | 1898 | 5/4-9/2+ | New London Whalers | Connecticut State League | New London, CT | |
| Ad Lamkin | lamkin001ad- | 1898 | 5/7-5/? | Pueblo | Colorado State League | Pueblo, CO | |
| LaMont | lamont004--- | 1898 | Portland | Pacific Northwest League | Portland, OR | ||
| Charles Lamont | lamont001cha | 1898 | 5/6 | Hamilton Hams | International League | Hamilton, ON | |
| Charles Lamont | lamont001cha | 1898 | 7/5-7/11 | Moorhead | RedRivVal | Moorhead, MN | |
| Henry Lampe | lampe-001hen | 1898 | 4/30-5/14 | Syracuse Stars | Eastern League | Syracuse, NY | |
| Henry Lampe | lampe-001hen | 1898 | 6/15-6/30 | Toronto Canucks | Eastern League | Toronto, ON | |
| Lampkin | lampki001--- | 1898 | +7/6+ | Aspen | Colorado State League | Aspen, CO | |
| Frank Lander | 1898 | 4/28-5/19 | Umpire | WestA | , | ||
| Ernest Landgraf | landgr001ern | 1898 | no g. | Youngstown Puddlers | Interstate League | Youngstown, OH | |
| Mattie Lang | 1898 | Marquette Col. | College | , | |||
| Mattie Lang | 1898 | no g. | Omaha Omahogs/St. Joseph Saints | Western League | Omaha, NE | ||
| Bill Lange | lange-001bil | 1898 | 113 g. | Chicago | National League | Chicago, IL | |
| Bill Lange | lange-001bil | 1898 | Fresno/Watsonville | Pacific Coast League | Watsonville, CA | ||
| Fred Lange | lange-001fre | 1898 | 6 g. | Oakland Reliance | California League | Oakland, CA | |
| Fred Lange | lange-001fre | 1898 | 42 g. | Oakland Reliance | Pacific Coast League | Oakland, CA | |
| Langevin | langev001--- | 1898 | Bradford Pirates | Iron and Oil League | Bradford, PA | ||
| Bob Langsford | langsf001bob | 1898 | 4/14-5/16 | New Orleans Pelicans | Southern League | New Orleans, LA | |
| Frank LaPorte | laport002fra | 1898 | Milwaukee Brewers/Creams | Western League | Milwaukee, WI | ||
| Frank LaPorte | laport002fra | 1898 | 4/14-5/19 | Birmingham Reds | Southern League | Birmingham, AL | |
| Frank LaPorte | laport002fra | 1898 | 7/4-7/10 | Cortland | New York State League | Cortland, NY | |
| Lappin | lappin002--- | 1898 | 5/2-7/31+ | Leadville | Colorado State League | Leadville, CO | |
| T.H. Larison | lariso001t-- | 1898 | 6/29-7/2 | Hamilton Hams | International League | Hamilton, ON | |
| T.H. Larison | lariso001t-- | 1898 | no g. | Hamilton Hams | Canadian League | Hamilton, ON | |
| William Larkin | larkin002wil | 1898 | 9/6-9/10 | Bridgeport Orators | Connecticut State League | Bridgeport, CT | |
| Richard Laroche | laroch001ric | 1898 | 5/9 | Taunton Herrings | New England League | Taunton, MA | |
| Sam LaRocque | larocq001sam | 1898 | 4/26-7/8 | Paterson Weavers | Atlantic League | Paterson, NJ | |
| Sam LaRocque | larocq001sam | 1898 | 7/13-9/20 | London Cockneys | Canadian League | London, ON | |
| Latham | latham001--- | 1898 | +5/11-5/14+ | Denison | Southwestern League | Denison, TX | |
| Arlie Latham | latham002wal | 1898 | 5/4-7/1 | New Britain Rangers | Connecticut State League | New Britain, CT | |
| Arlie Latham | latham002wal | 1898 | 7/7-9/10 | Hartford Cooperatives | Atlantic League | Hartford, CT | |
| Dick Latham | latham001ric | 1898 | 4/9-4/29 | Fort Worth Panthers | Texas League | Fort Worth, TX | |
| Dick Latham | latham001ric | 1898 | Umpire | Tx | , | ||
| Frank Lathrop | lathro001fra | 1898 | 4/28-5/31 | Cedar Rapids Rabbits | Western Association | Cedar Rapids, IA | |
| Tacks Latimer | latime001cli | 1898 | 4/9-5/9 | Austin Senators | Texas League | Austin, TX | |
| Tacks Latimer | latime001cli | 1898 | 6/30-9/18 | Dayton Old Soldiers | Interstate League | Dayton, OH | |
| Tacks Latimer | latime001cli | 1898 | 10/1- | 5 g. | New York | National League | New York, NY |
| Billy Lauder | lauder001wil | 1898 | +5/30+ | Brown Univ. | College | , | |
| Billy Lauder | lauder001wil | 1898 | 6/25- | 97 g. | Philadelphia | National League | Philadelphia, PA |
| August Lauer | lauer-001aug | 1898 | Hamilton Hams | International League | Hamilton, ON | ||
| Laughlin | laughl001--- | 1898 | Pvt., 2nd VA | Span-Amer | , | ||
| A.H. Lautenbach | lauten001a-- | 1898 | Charleston WV | Independent | Charleston, WV | ||
| Bill Lauterborn | lauter001wil | 1898-99 | St, John's(Fordham) | College | , | ||
| Ed Lauzon | lauzon001edw | 1898 | 4/14-5/16 | New Orleans Pelicans | Southern League | New Orleans, LA | |
| Frank Law | law---001fra | 1898 | 5/19-7/30 | Tacoma | Pacific Northwest League | Tacoma, WA | |
| Jack Law | law---001joh | 1898 | 4/26-9/16 | Mansfield Haymakers | Interstate League | Mansfield, OH | |
| Ed Lawler | lawler001ed- | 1898 | 4/21-5/3 | Omaha Omahogs/St. Joseph Saints | Western League | Omaha, NE | |
| Jack Lawler | lawler003joh | 1898 | 5/6-7/22+ | Derby Angels | Connecticut State League | Derby, CT | |
| Jack Lawler | lawler003joh | 1898 | 8/3-9/10 | Bridgeport Orators | Connecticut State League | Bridgeport, CT | |
| Lawler/or | lawler008--- | 1898 | 7/5 | New Britain Rangers | Connecticut State League | New Britain, CT | |
| Jack Lawlor | lawlor001joh | 1898 | 5/13-9/10 | Canandaigua Giants | New York State League | Canandaigua, NY | |
| Mike Lawrence | lawren001mic | 1898 | 4/28-6/5 | Buffalo Bisons | Eastern League | Buffalo, NY | |
| Mike Lawrence | lawren001mic | 1898 | 6/12-7/13 | Utica Pent Ups | New York State League | Utica, NY | |
| Mike Lawrence | lawren001mic | 1898 | 7/14-9/10 | Syracuse Stars | Eastern League | Syracuse, NY | |
| Al Lawson | lawson001al- | 1898 | Anderson | Independent | Anderson, IN | ||
| Andy Lawson | 1898 | Concord NH | Independent | Concord, NH | |||
| Andy Lawson | 1898 | Newport RI | Independent | Newport, RI | |||
| Jack Lawson | lawson004jac | 1898 | 6/3-7/9 | New Britain Rangers | Connecticut State League | New Britain, CT | |
| T. H. Lawson | 1898 | Hamilton Hams | Canadian League | Hamilton, ON | |||
| Eddie Leach | leach-001edg | 1898 | no g. | Paterson Weavers | Atlantic League | Paterson, NJ | |
| Julius Leach | 1898 | 5/20-6/11+ | Spokane | Pacific Northwest League | Spokane, WA | ||
| Tommy Leach | leach-001tho | 1898 | 5/13-9/9 | Auburn Maroons | New York State League | Auburn, NY | |
| Tommy Leach | leach-001tho | 1898 | 9/28- | 3 g. | Louisville | National League | Louisville, KY |
| Dan Leahy | leahy-002dan | 1898 | 4/27-9/10 | Richmond Bluebirds | Atlantic League | Richmond, VA | |
| Tom Leahy | leahy-002tho | 1898 | 15 g. | Washington | National League | Washington, DC | |
| Tom Leahy | leahy-002tho | 1898 | 5/30-9/4 | Providence Clamdiggers/Grays | Eastern League | Providence, RI | |
| F. Leake | leake-001f-- | 1898 | 4/21-5/ | Paris | Southwestern League | Paris, TX | |
| William Lear | lear--001wil | 1898 | +5/6-7/22+ | New London Whalers | Connecticut State League | New London, CT | |
| Leathers | leathe002--- | 1898 | 5/21-6/3+ | Lock Haven Normals/Maroons | Central Pennsylvania League | Lock Haven, PA | |
| Eddie Lee | lee---002edd | 1898 | 5/13-5/14 | Oswego Grays | New York State League | Oswego, NY | |
| Frank Lee | 1898 | 6 g. | San Francisco | Pacific Coast League | San Francisco, CA | ||
| George Lee | lee---001geo | 1898 | Toronto-TAC | Amateur | Toronto, ON | ||
| George Lee | lee---001geo | 1898 | 9/9 | Toronto Canucks | Eastern League | Toronto, ON | |
| Jack Lee | lee---003joh | 1898 | Clev.-Standards | Independent | Cleveland, OH | ||
| Hart Leech | 1898 | Brantford | Independent | Brantford, ON | |||
| Sam Leever | leever001sam | 1898 | 5/26- | 60 g. | Pittsburgh | National League | Pittsburgh, PA |
| Sam Leever | leever001sam | 1898 | 6/4-9/8 | Richmond Bluebirds | Atlantic League | Richmond, VA | |
| Sam Leever | leever001sam | 1898 | 60 g. | Pittsburgh | National League | Pittsburgh, PA | |
| Bruce Legge | legge-001bru | 1898 | 6/6-9/18 | Springfield Governors | Interstate League | Springfield, OH | |
| Lehman | lehman001--- | 1898 | -8/8 | Atchison Huskers | Kansas State League | Atchison, KS | |
| Lehr | lehr--003--- | 1898 | 4/15-4/18 | Atlanta Colts | Southern League | Atlanta, GA | |
| Herbert Lehr | lehr--002--- | 1898 | +5/19-5/28+ | U. of Michigan | College | , | |
| George Leidy | leidy-002geo | 1898 | 4/25-9/10 | Lancaster Maroons | Atlantic League | Lancaster, PA | |
| Leighman | 1898 | Oil City Oilers/Dunkirk-Fredonia | Iron and Oil League | Dunkirk, NY | |||
| Jim Leighton | leight001jam | 1898 | 5/13-6/15+ | Oil City Oilers/Dunkirk-Fredonia | Iron and Oil League | Oil City, PA | |
| Jim Leighton | leight001jam | 1898 | 6/20-7/7+ | Oil City Oilers/Dunkirk-Fredonia | Iron and Oil League | Fredonia, NY | |
| John Leighton | leight002joh | 1898 | 5/13-5/17 | Johnstown/Palmyra Mormans | New York State League | Palmyra, PA | |
| Julius Leitch | leitch000jul | 1898 | 5/20-6/18 | Spokane | Pacific Northwest League | Spokane, WA | |
| Frank Leonard | leonar001fra | 1898 | preseason | Augusta | Southern League | Augusta, GA | |
| Frank Leonard | leonar001fra | 1898 | 5/27-7/4 | Taunton Herrings | New England League | Taunton, MA | |
| Frank Leonard | leonar001fra | 1898 | 7/10-9/9 | Cortland | New York State League | Cortland, NY | |
| T. Leonard | leonar002t-- | 1898 | 5/10-5/13 | Allentown Peanuts | Atlantic League | Allentown, PA | |
| Pete LePine | lepine002lou | 1898 | Webster MA | Independent | Webster, MA | ||
| Pete LePine | lepine002lou | 1898 | Woonsocket RI | Woonsocket, RI | |||
| Oliver LeRett | lerett001oli | 1898 | 4/15-5/11 | Montgomery Senators | Southern League | Montgomery, AL | |
| Harry Lesterjette | lester001har | 1898 | Span-Amer | , | |||
| Mike Lestrange | lestra001mik | 1898 | Richfield SprsNY | Independent | Richfield Springs, NY | ||
| Tom Letcher | letche001tom | 1898 | 4/23-9/19 | Minneapolis Millers | Western League | Minneapolis, MN | |
| David Levy | levy--001dav | 1898 | 1 g. | San Francisco Athletics | Pacific Coast League | San Francisco, CA | |
| Rube Levy | levy--001reu | 1898 | 3 g. | San Francisco Athletics | Pacific Coast League | San Francisco, CA | |
| Ed Lewee | lewee-001edw | 1898 | 4/21-9/19 | Milwaukee Brewers/Creams | Western League | Milwaukee, WI | |
| Ted Lewis | lewis-001edw | 1898 | 42 g. | Boston | National League | Boston, MA | |
| J.W. Lindsley | lindsl001j-- | 1898 | 5/1-5/4 | Mansfield Haymakers | Interstate League | Mansfield, OH | |
| J.W. Lindsley | lindsl001j-- | 1898 | 9/14 | Grand Rapids Cabinet Makers | Interstate League | Grand Rapids, MI | |
| Perry Lipe | lipe--001per | 1898 | 6/4 | Rome Romans | New York State League | Rome, NY | |
| Tom Lipp | lipp--001tom | 1898 | 5/9-5/15 | Mobile Blackbirds | Southern League | Mobile, AL | |
| Tom Lipp | lipp--001tom | 1898 | 7/4-7/7 | London Cockneys | International League | London, ON | |
| Tom Lipp | lipp--001tom | 1898 | 7/15-7/30 | London Cockneys | Canadian League | London, ON | |
| Tom Lipp | lipp--001tom | 1898 | Ilion | Independent | Ilion, NY | ||
| Louis Lippert | lipper001lou | 1898 | 4/28-6/6 | Burlington Hawkeyes | Western Association | Burlington, IA | |
| Louis Lippert | lipper001lou | 1898 | 6/19-7/1 | Detroit Tigers | Western League | Detroit, MI | |
| Abel Lizotte | lizott001abe | 1898 | 4/28-9/10 | Syracuse Stars | Eastern League | Syracuse, NY | |
| Harry Lloyd | lloyd-002har | 1898 | , | ||||
| Harry Lochhead | lochhe001rob | 1898 | 5 g. | Sacramento Gilt Edges | Pacific Coast League | Sacramento, CA | |
| Harry Lochhead | lochhe001rob | 1898 | 35 g. | Sacramento Gilt Edges | Pacific Coast League | Sacramento, CA | |
| Frank Locke | locke-001fra | 1898 | 4/10-5/12 | Montgomery Senators | Southern League | Montgomery, AL | |
| Frank Locke | locke-001fra | 1898 | Canton | Ohio State League | Canton, OH | ||
| Loftus | loftus001--- | 1898 | +5/28+ | Sunbury | Central Pennsylvania League | Sunbury, PA | |
| Martin Loftus | loftus001mar | 1898 | 4/14-4/27 | Augusta | Southern League | Augusta, GA | |
| Martin Loftus | loftus001mar | 1898 | 4/30-5/2 | Mobile Blackbirds | Southern League | Mobile, AL | |
| Tom Loftus | loftus002tom | 1898 | 4/20-? | Columbus Buckeyes/Senators | Western League | Columbus, OH | |
| Ed Logue | logue-001edd | 1898 | 5/9-7/7 | Louisville | Colorado State League | Louisville, CO | |
| Ed Logue | logue-001edd | 1898 | 7/8-7/13 | Aspen | Colorado State League | Aspen, CO | |
| Ed Logue | logue-001edd | 1898 | 7/17-8/21+ | Fort Collins | Colorado State League | Fort Collins, CO | |
| Lohman | lohman001--- | 1898 | 10 g. | San Francisco Athletics | Pacific Coast League | San Francisco, CA | |
| Pete Lohman | lohman001geo | 1898 | 4/28-6/25 | Quincy | Western Association | Quincy, IL | |
| Pete Lohman | lohman001geo | 1898 | 7/18-9/20 | London Cockneys | Canadian League | London, ON | |
| Frank Lohr | lohr--001fra | 1898 | +8/7+ | Freeport IL | Independent | Freeport, IL | |
| Roy Loman | loman-001roy | 1898 | 33 g. | Fort Worth Panthers | Texas League | Fort Worth, TX | |
| Roy Loman | loman-001roy | 1898 | Galveston Sandcrabs | Texas League | Galveston, TX | ||
| Roy Loman | loman-001roy | 1898 | 6/10-6/12 | St. Joseph Saints | Western Association | St. Joseph, MO | |
| Roy Loman | loman-001roy | 1898 | +7/24-8/8 | Salina Blues | Kansas State League | Salina, KS | |
| Long | long--010--- | 1898 | +5/26- | Olean | Iron and Oil League | Olean, NY | |
| Denny Long | long--002den | 1898 | 9/7 | Reading Coal Heavers | Atlantic League | Reading, PA | |
| Herman Long | long--001her | 1898 | 144 g. | Boston | National League | Boston, MA | |
| G. Longley | longle001g-- | 1898 | 4/9-5/9 | Austin Senators | Texas League | Austin, TX | |
| Bobby Lowe | lowe--002rob | 1898 | 147 g. | Boston | National League | Boston, MA | |
| Dennis Lowney | lowney001dan | 1898 | 5/5-7/8 | Bay City Sugar Citys | International League | Bay City, MI | |
| Dennis Lowney | lowney001dan | 1898 | 7/27-9/2 | Chatham Reds | Canadian League | Chatham, ON | |
| Dennis Lowney | lowney001dan | 1898 | 9/5-9/17 | Mansfield Haymakers | Interstate League | Mansfield, OH | |
| Lowry | lowry-001--- | 1898 | +5/21-6/3 | Salem | Ohio State League | Salem, OH | |
| Pat Luby | luby--001pat | 1898 | 5/13-6/30 | Lyons | New York State League | Lyons, NY | |
| Daniel Lucas | lucas-001dan | 1898 | 4/26-6/6 | Grand Rapids Cabinet Makers | Interstate League | Grand Rapids, MI | |
| Fred Luchia | lucia-001fre | 1898 | 5/4-9/10 | New Haven Blues | Connecticut State League | New Haven, CT | |
| Howard Luckey | luckey001how | 1898 | Mauch Chunk | Independent | Mauch Chunk, PA | ||
| Howard Luckey | luckey001how | 1898 | 6/27-7/20 | Reading Coal Heavers | Atlantic League | Reading, PA | |
| Lukens | lukens001--- | 1898 | 7/9 | Reading Coal Heavers | Atlantic League | Reading, PA | |
| Billy Lush | lush--001wil | 1898 | 4/30-6/18 | Springfield Ponies/Maroons | Eastern League | Springfield, MA | |
| Billy Lush | lush--001wil | 1898 | 6/25-9/1 | Syracuse Stars | Eastern League | Syracuse, NY | |
| Billy Lush | lush--001wil | 1898 | 9/5-9/10 | New Haven Blues | Connecticut State League | New Haven, CT | |
| Charlie Luskey | luskey001cha | 1898 | 5/13-7/13+ | Bradford Pirates | Iron and Oil League | Bradford, PA | |
| Charlie Luskey | luskey001cha | 1898 | Cape May | Independent | Cape May, NJ | ||
| Luke Lutenberg | lutenb001luk | 1898 | 4/27-9/6 | Richmond Bluebirds | Atlantic League | Richmond, VA | |
| Fred Luther | luther001fre | 1898 | Muskegon | Independent | Muskegon, MI | ||
| Lynch | lynch-024--- | 1898 | 6/3 | Allentown Peanuts | Atlantic League | Allentown, PA | |
| Ed Lynch | lynch-002edw | 1898 | 4/25-9/12 | Indianapolis Hoosiers | Western League | Indianapolis, IN | |
| Henry Lynch | lynch-003hen | 1898 | 4/30-9/11 | Providence Clamdiggers/Grays | Eastern League | Providence, RI | |
| Mike Lynch | lynch-003mic | 1898 | Minn.- | Independent | Minneapolis, MN | ||
| Mike Lynch | lynch-004mic | 1898 | 5/6-6/17 | New Britain Rangers | Connecticut State League | New Britain, CT | |
| Mike Lynch | lynch-004mic | 1898 | 8/5-9/10 | New London Whalers | Connecticut State League | New London, CT | |
| Patrick Lynch | lynch-002pat | 1898 | 4/27 | Rock Island | Western Association | Rock Island, IL | |
| Joseph Lyndon | 1898 | +8/30-9/1+ | Umpire | Canadian | , | ||
| A.D. Lyons | lyons-001a-- | 1898 | Oil City Oilers/Dunkirk-Fredonia | Iron and Oil League | Oil City, PA | ||
| A.D. Lyons | lyons-001a-- | 1898 | +6/22+ | Oil City Oilers/Dunkirk-Fredonia | Iron and Oil League | Fredonia, NY | |
| Charley Lyons | 1898 | Duquesne AC | Independent | Duquesne, PA | |||
| Denny Lyons | lyons-002den | 1898 | 4/21-7/7 | Omaha Omahogs/St. Joseph Saints | Western League | Omaha, NE | |
| Denny Lyons | lyons-002den | 1898 | 7/8-7/11 | Omaha Omahogs/St. Joseph Saints | Western League | St. Joseph, MO | |
| Harry Lyons | lyons-001har | 1898 | 4/30-7/31 | Providence Clamdiggers/Grays | Eastern League | Providence, RI | |
| J.D. Lyons | lyons-009--- | 1898 | 5/17-6/5 | Canton | Ohio State League | Canton, OH | |
| J.D. Lyons | lyons-009--- | 1898 | South Bend IN | Independent | South Bend, IN | ||
| John Lyons | lyons-004joh | 1898 | 4/26-7/4 | Paterson Weavers | Atlantic League | Paterson, NJ | |
| John Lyons | lyons-004joh | 1898 | 7/10 | Hartford Cooperatives | Atlantic League | Hartford, CT | |
| John Lyons | lyons-004joh | 1898 | 7/20-9/20 | St. Thomas Saints | Canadian League | St. Thomas, ON | |
| Toby Lyons | lyons-001tob | 1898 | 4/30-7/4 | Umpire | NE | , | |
| Walter Lyons | lyons-001wal | 1898 | 5/18-7/11 | Allentown Peanuts | Atlantic League | Allentown, PA | |
| Dad Lytle | lytle-001dad | 1898 | 4/25-9/17 | New Castle Quakers | Interstate League | New Castle, PA | |
| Ed MacGamwell | mcgamw002edw | 1898 | 5/3-5/21 | Taunton Herrings | New England League | Taunton, MA | |
| Ed MacGamwell | mcgamw001wil | 1898 | 7/29-8/2 | Chatham Reds | Canadian League | Chatham, ON | |
| William MacGamwell | mcgamw001wil | 1898 | 5/13-5/21 | Rome Romans | New York State League | Rome, NY | |
| William MacGamwell | mcgamw001wil | 1898 | 7/22-8/3 | Chatham Reds | Canadian League | Chatham, ON | |
| Machin | mackin004--- | 1898 | 6/8-6/10 | Utica Pent Ups | New York State League | Utica, NY | |
| Connie Mack | mack--001con | 1898 | 4/20-9/20 | Milwaukee Brewers/Creams | Western League | Milwaukee, WI | |
| Reddy Mack | mack--001red | 1898 | 4/27-6/28 | Dubuque Tigers | Western Association | Dubuque, IA | |
| Mackey | mackey003--- | 1898 | 2 g. | Houston Buffaloes | Texas League | Houston, TX | |
| Billy Mackey | mackey003wil | 1898 | 5/3-6/27 | Allentown Peanuts | Atlantic League | Allentown, PA | |
| Edward Mackey | mackey002edw | 1898 | 5/14-6/10 | Utica Pent Ups | New York State League | Utica, NY | |
| Edward Madden | madden002edw | 1898 | +5/27-5/31+ | Wheeling Nailers | Ohio State League | Wheeling, WV | |
| Edward Madden | madden002edw | 1898 | 8/1-9/18 | Toledo Mud Hens | Interstate League | Toledo, OH | |
| Art Madison | madiso002art | 1898 | 4/25-9/10 | Lancaster Maroons | Atlantic League | Lancaster, PA | |
| Bill Magee | magee-001wil | 1898 | 38 g. | Louisville | National League | Louisville, KY | |
| A. Magnam | magnam000a-- | 1898 | 5/8-7/31? | Aspen | Colorado State League | Aspen, CO | |
| George Magoon | magoon001geo | 1898 | 4/30-6/22 | Brockton Shoemakers | New England League | Brockton, MA | |
| George Magoon | magoon001geo | 1898 | 6/29- | 93 g. | Brooklyn | National League | Brooklyn, NY |
| Maguire | maguir005--- | 1898 | 5/1 | Paterson Weavers | Atlantic League | Paterson, NJ | |
| Tom Maguire | maguir001tho | 1898 | 1 g. | San Francisco Athletics | Pacific Coast League | San Francisco, CA | |
| Mahaffey | mahaff011--- | 1898 | +6/1-6/8 | Zanesville Clay Diggers | Ohio State League | Zanesville, OH | |
| Lou Mahaffey | mahaff002lou | 1898 | 4/26 | 1 g. | Louisville | National League | Louisville, KY |
| Mahan | mahan-004--- | 1898 | +4/27+ | Shreveport Grays | Southwestern League | Shreveport, LA | |
| Tom Maher | maher-001tho | 1898 | 7/31-8/2 | Norfolk Jewels | Atlantic League | Norfolk, VA | |
| Mahoney | mahone009--- | 1898 | 5/10-7/3+ | Leadville | Colorado State League | Leadville, CO | |
| Mahoney | mahone009--- | 1898 | Silverton CO | Independent | Silverton, CO | ||
| Mike Mahoney | mahone001mik | 1898 | 4/15-4/17 | 2 g. | St. Louis | National League | St. Louis, MO |
| Ernest Mains | mains-001ern | 1898 | 4/14-5/17 | Augusta | Southern League | Augusta, GA | |
| Willard Mains | mains-001wil | 1898 | 5/1-5/18 | Buffalo Bisons | Eastern League | Buffalo, NY | |
| Willard Mains | mains-001wil | 1898 | 6/16-7/4 | Taunton Herrings | New England League | Taunton, MA | |
| John Malarkey | malark001joh | 1898 | 4/28-9/9 | Syracuse Stars | Eastern League | Syracuse, NY | |
| Mallory | 1898 | Sharon PA | Independent | Sharon, PA | |||
| Malone | malone011--- | 1898 | Louisville | Colorado State League | Louisville, CO | ||
| Malone | malone007--- | 1898 | 5/4-5/6+ | Danbury Hatters | Connecticut State League | Danbury, CT | |
| Malone | malone017--- | 1898 | +8/12+ | Meriden Bulldogs | Connecticut State League | Meriden, CT | |
| Curley Maloney | malone005jam | 1898 | 12 g. | Austin Senators | Texas League | Austin, TX | |
| George Maloney | malone002geo | 1898 | 5/7-5/? | Pueblo | Colorado State League | Pueblo, CO | |
| Henry Mangerina | manger001hen | 1898 | 3 g. | Fresno | California League | Fresno, CA | |
| Zeb Mangum | mangum000zeb | 1898-00 | Erskine College | College | , | ||
| Zeb Mangum | mangum000zeb | 1898-00 | Erskine College | College | , | ||
| Daniel Manley | manley001dan | 1898 | 5/6-9/10 | Waterbury Pirates | Connecticut State League | Waterbury, CT | |
| Thomas Manley | manley001tho | 1898 | Syracuse U. | College | , | ||
| Thomas Manley | manley001tho | 1898 | 5/28-5/30 | Cortland | New York State League | Cortland, NY | |
| Charlie Manlove | manlov001cha | 1898 | Umpire | IntSt | , | ||
| Linc Manlove | manlov001abr | 1898 | 4/25-5/27 | Umpire | IntSt | , | |
| Al Mannassau | mannas001al- | 1898 | 4/21-9/19 | Umpire | West | , | |
| Jim Manning | mannin001jim | 1898 | 4/20-9/20 | Kansas City Blues | Western League | Kansas City, MO | |
| Tommy Manning | mannin001tho | 1898 | 5/4-7/25 | Derby Angels | Connecticut State League | Derby, CT | |
| Tommy Manning | mannin001tho | 1898 | 7/29-8/16 | Waterbury Pirates | Connecticut State League | Waterbury, CT | |
| H. Mansfield | mansfi001h-- | 1898 | 5/4-9/9 | Waterbury Pirates | Connecticut State League | Waterbury, CT | |
| H. Mansfield | mansfi001h-- | 1898 | lhp;("NHav"6/2/98) | , | |||
| Nels Margetts | marget001nel | 1898 | Light Artillery | Span-Amer | , | ||
| Marion | marion004--- | 1898 | 4/24 | Minneapolis Millers | Western League | Minneapolis, MN | |
| Ray Markle | markle002ray | 1898 | ?-6/8 | Massillon | Ohio State League | Massillon, OH | |
| George Markley | markle001geo | 1898 | +4/25-5/4+ | Texarkana | Southwestern League | Texarkana, TX | |
| James Maroney | marone001--- | 1898 | 6/28+ | New London Whalers | Connecticut State League | New London, CT | |
| Lefty Marr | marr--001lef | 1898 | 4/26-5/7 | Hartford Cooperatives | Atlantic League | Hartford, CT | |
| Lefty Marr | marr--001lef | 1898 | 5/29-5/31 | Allentown Peanuts | Atlantic League | Allentown, PA | |
| Lefty Marr | marr--001lef | 1898 | 6/14-7/22+ | New Britain Rangers | Connecticut State League | New Britain, CT | |
| Lefty Marr | marr--001lef | 1898 | 8/4-9/10 | Norfolk Jewels | Atlantic League | Norfolk, VA | |
| Marshall | 1898 | Homestead | Independent | Homestead, PA | |||
| Doc Marshall | marsha005wil | 1898 | Grove City Col. | College | , | ||
| Ed Marshall | marsha002e-- | 1898 | 5/18-7/17+ | Spokane | Pacific Northwest League | Spokane, WA | |
| Jim Marshall | 1898 | Grove City Col. | College | , | |||
| Jim Marshall | 1898 | Butler | Independent | Butler, PA | |||
| Martin | martin048--- | 1898 | PaSt? | , | |||
| Martin | martin048--- | 1898 | 6/12-8/21+ | Denver Grizzlies | Colorado State League | Denver, CO | |
| Martin | martin088--- | 1898 | 5/4-5/9 | Atlanta Colts | Southern League | Atlanta, GA | |
| Austin Martin | martin001aus | 1898 | 4/9-5/15 | Galveston Sandcrabs | Texas League | Galveston, TX | |
| Clint Martin | martin002cli | 1898 | 5/5-7/5 | St. Thomas Saints | International League | St. Thomas, ON | |
| Clint Martin | martin002cli | 1898 | 7/13-9/20 | St. Thomas Saints | Canadian League | St. Thomas, ON | |
| Frank Martin | martin001aus | 1898 | 4/9-5/15 | Galveston Sandcrabs | Texas League | Galveston, TX | |
| Frank Martin | martin001fra | 1898 | 1 g. | Chicago | National League | Chicago, IL | |
| James Martin | martin019jam | 1898 | 6/24-7/7 | Detroit Tigers | Western League | Detroit, MI | |
| Joe Martin | martin006jos | 1898 | 4/30-5/7 | New Bedford Whalers/Worcester | New England League | New Bedford, MA | |
| Joe Martin | martin006jos | 1898 | 5/13-9/10 | Danbury Hatters | Connecticut State League | Danbury, CT | |
| William Martin | martin022wil | 1898 | 4/26-9/17 | Youngstown Puddlers | Interstate League | Youngstown, OH | |
| William Martin | martin025wil | 1898 | 4/10-4/17 | Mobile Blackbirds | Southern League | Mobile, AL | |
| William Martin | martin025wil | 1898 | Shreveport Grays | Southwestern League | Shreveport, LA | ||
| Masoney | masone001--- | 1898 | 5/13 | Johnstown/Palmyra Mormans | New York State League | Palmyra, PA | |
| Bill Massey | massey001bil | 1898 | 4/29-5/27 | Rochester Patriots/Ottawa Wanderers | Eastern League | Rochester, NY | |
| Bill Massey | massey001bil | 1898 | 5/29-9/11 | Springfield Ponies/Maroons | Eastern League | Springfield, MA | |
| Masten | 1898 | St. Thomas Saints | Canadian League | St. Thomas, ON | |||
| Mathews | mathew001--- | 1898 | 1 g. | Houston Buffaloes | Texas League | Houston, TX | |
| Christy Mathewson | mathew001chr | 1898 | 6/23- | HonesdalePA Reds | s-p | Honesdale, PA | |
| William Matthews | matthe006wil | 1898-01 | Phillips Andover | School | , | ||
| Mattlock | mattlo001--- | 1898 | 5/14+ | Denver Grizzlies | Colorado State League | Denver, CO | |
| Hal Mauck | mauck-001hal | 1898 | 4/29-5/5 | Omaha Omahogs/St. Joseph Saints | Western League | Omaha, NE | |
| Hal Mauck | mauck-001hal | 1898 | 5/23- | 5 g. | St. Joseph Saints | Western Association | St. Joseph, MO |
| Hal Mauck | mauck-001hal | 1898 | Topeka Giants | Kansas State League | Topeka, KS | ||
| Al Maul | maul--001alb | 1898 | 29 g. | Baltimore | National League | Baltimore, MD | |
| Harry Maupin | maupin001har | 1898 | Paris | Southwestern League | Paris, TX | ||
| Harry Maupin | maupin001har | 1898 | 10/5- | 2 g. | St. Louis | National League | St. Louis, MO |
| Maybie | maybie001--- | 1898 | Celoron Acme Colored Giants | Iron and Oil League | Jamestown, NY | ||
| William Mayer | mayer-001wil | 1898 | 4/9-4/30 | Dallas Colts | Texas League | Dallas, TX | |
| Mays | 1898 | Homestead AC | Independent | Homestead, PA | |||
| Edward Mazena | mazena001edw | 1898 | 4/26-6/12 | Springfield Governors | Interstate League | Springfield, OH | |
| Bert McAfee | mcafee002ber | 1898-01 | Drury College | College | , | ||
| Jimmy McAleer | mcalee001jam | 1898 | 106 g. | Cleveland | National League | Cleveland, OH | |
| Jack McAleese | mcalee001joh | 1898 | Fredonia Academy | College | , | ||
| Jack McAleese | mcalee001joh | 1898 | Sharon PA | Independent | Sharon, PA | ||
| Sport McAllister | mcalli001lew | 1898 | 17 g. | Cleveland | National League | Cleveland, OH | |
| Tom McAndrew | mcandr002tho | 1898 | 6/27 | Hamilton Hams | Canadian League | Hamilton, ON | |
| Tom McAndrew | mcandr002tho | 1898 | Hamilton Hams | International League | Hamilton, ON | ||
| Mynard McBrayne | 1898 | 7/13-7/20 | Chatham Reds | Canadian League | Chatham, ON | ||
| McBride | 1898 | +9/4-9/5+ | Hot Springs | Southwestern League | Hot Springs, AR | ||
| Algie McBride | mcbrid001alg | 1898 | 120 g. | Cincinnati | National League | Cincinnati, OH | |
| Pete McBride | mcbrid001pet | 1898 | Manhattan Col. | College | , | ||
| Pete McBride | mcbrid001pet | 1898 | no g. | Youngstown Puddlers | Interstate League | Youngstown, OH | |
| Pete McBride | mcbrid001pet | 1898 | 9/20 | 1 g. | Cleveland | National League | Cleveland, OH |
| Charles McCabe | mccabe000cha | 1898 | 5/20-7/22+ | Portland | Pacific Northwest League | Portland, OR | |
| Thomas McCafferty | mccaff002tho | 1898 | 4/30-6/28 | Pawtucket Tigers | New England League | Pawtucket, RI | |
| Thomas McCafferty | mccaff002tho | 1898 | 7/22-9/9 | Rome Romans | New York State League | Rome, NY | |
| Jerry McCall | mccall001jer | 1898 | 4/30-5/3 | Grand Rapids Cabinet Makers | Interstate League | Grand Rapids, MI | |
| McCann | mccann010--- | 1898 | 8/7 | Reading Coal Heavers | Atlantic League | Reading, PA | |
| Gene McCann | mccann001hen | 1898 | 5/2-7/8 | Hamilton Hams | International League | Hamilton, ON | |
| Gene McCann | mccann001hen | 1898 | 7/15-8/22 | Hamilton Hams | Canadian League | Hamilton, ON | |
| Gene McCann | mccann001hen | 1898 | 8/25-9/20 | Chatham Reds | Canadian League | Chatham, ON | |
| McCarthy | mccart039--- | 1898 | 5/14-7/20+ | Denver Grizzlies | Colorado State League | Denver, CO | |
| Jack McCarthy | mccart003joh | 1898 | 137 g. | Pittsburgh | National League | Pittsburgh, PA | |
| Jack McCarthy | mccart004jac | 1898 | San Francisco Athletics | Pacific Coast League | San Francisco, CA | ||
| Jack McCarthy | mccart004jac | 1898 | 4/28-6/25 | Quincy | Western Association | Quincy, IL | |
| Joe McCarthy | mccart004jos | 1898 | 5 g. | San Jose | Pacific Coast League | San Jose, CA | |
| Joe McCarthy | mccart004jos | 1898 | San Francisco Athletics | California League | San Francisco, CA | ||
| Joe McCarthy | mccart004jos | 1898 | San Jose | Pacific Coast League | San Jose, CA | ||
| Joe McCarthy | mccart004jos | 1898 | 37 g. | San Jose | Pacific Coast League | San Jose, CA | |
| Thomas Mccarthy | mccart007tho | 1898 | 5/7-5/9 | New Haven Blues | Connecticut State League | New Haven, CT | |
| Pat McCauley | mccaul001pat | 1898 | 4/21-7/7 | Omaha Omahogs/St. Joseph Saints | Western League | Omaha, NE | |
| Pat McCauley | mccaul001pat | 1898 | 7/8-9/19 | Omaha Omahogs/St. Joseph Saints | Western League | St. Joseph, MO | |
| Billy McCausland | mccaus001wil | 1898 | 5/2-9/11 | Leadville | Colorado State League | Leadville, CO | |
| Node McClain | mcclai000nod | 1898 | Co. F, 7th OHVI | Span-Amer | , | ||
| Robert McCleary | mcclea002rob | 1898 | Coshocton | Ohio State League | Coshocton, OH | ||
| McCloskey | mcclos011--- | 1898 | +5/20-7/11+ | Meadville | Iron and Oil League | Meadville, NY | |
| McCloskey | mcclos011--- | 1898 | 7/20- | Butler | Independent | Butler, PA | |
| Harry McCloskey | mcclos001har | 1898 | Wichita Eagles | Kansas State League | Wichita, KS | ||
| John McCloskey | mcclos001joh | 1898 | 4/9-4/30 | Dallas Colts | Texas League | Dallas, TX | |
| John McCloskey | mcclos001joh | 1898 | Dallas Colts | Southwestern League | Dallas, TX | ||
| William McCoach | mccoac001wil | 1898 | +5/28+ | Sunbury | Central Pennsylvania League | Sunbury, PA | |
| Charles McConnell | 1898 | Hamilton Hams | Canadian League | Hamilton, ON | |||
| John McCord | mccord002--- | 1898 | WV | , | |||
| Barry McCormick | mccorm002wil | 1898 | 137 g. | Chicago | National League | Chicago, IL | |
| Jim McCormick | mccorm002jim | 1898 | 4/30-7/2 | Newport Colts | New England League | Newport, RI | |
| Louis McCormick | mccorm001l-- | 1898 | SA- | CityL | , | ||
| William Mccouch | mccouc001wil | 1898 | 4/30-5/10 | Taunton Herrings | New England League | Taunton, MA | |
| Judge McCredie | mccred001wal | 1898 | 4/28-6/25 | Quincy | Western Association | Quincy, IL | |
| Tom McCreery | mccree001tho | 1898 | 35 g. | New York | National League | New York, NY | |
| Tom McCreery | mccree001tho | 1898 | 53 g. | Pittsburgh | National League | Pittsburgh, PA | |
| T. McCreight | mccrei001t-- | 1898 | 5/18-5/21 | St. Thomas Saints | International League | St. Thomas, ON | |
| McCue | mccue-006--- | 1898 | 18 g. | Fresno/Watsonville | Pacific Coast League | Fresno, CA | |
| McCurran | 1898 | E. Liverpool OH | Independent | East Liverpool, OH | |||
| Mike McDermott | mcderm001mik | 1898 | 4/24 | Columbus Buckeyes/Senators | Western League | Columbus, OH | |
| Sandy McDermott | mcderm001san | 1898 | 4/28-6/7 | Umpire | East | , | |
| Will McDevitt | mcdevi001wil | 1898 | 4/9-4/29 | Fort Worth Panthers | Texas League | Fort Worth, TX | |
| Charles McDonald | mcdona004cha | 1898 | -5/15 | 17 g. | Galveston Sandcrabs | Texas League | Galveston, TX |
| Charles McDonald | mcdona004cha | 1898 | 6/3 - | 9 g. | St. Joseph Saints | Western Association | St. Joseph, MO |
| Charles McDonald | mcdona004cha | 1898 | 7/7 | Omaha Omahogs/St. Joseph Saints | Western League | Omaha, NE | |
| Charles McDonald | mcdona004cha | 1898 | 7/12-7/25 | Omaha Omahogs/St. Joseph Saints | Western League | St. Joseph, MO | |
| Charles McDonald | mcdona004cha | 1898 | 7/31 | Milwaukee Brewers/Creams | Western League | Milwaukee, WI | |
| Charles McDonald | mcdona004cha | 1898 | 8/6-8/18 | Minneapolis Millers | Western League | Minneapolis, MN | |
| Charles McDonald | mcdona004cha | 1898 | 9/4 | Milwaukee Brewers/Creams | Western League | Milwaukee, WI | |
| Edward McDonald | mcdona003edw | 1898 | 4/14-5/19 | Augusta | Southern League | Augusta, GA | |
| Edward McDonald | mcdona003edw | 1898 | 6/6-6/8 | Hartford Cooperatives | Atlantic League | Hartford, CT | |
| Edward McDonald | mcdona003edw | 1898 | 6/11-6/16 | Taunton Herrings | New England League | Taunton, MA | |
| Edward McDonald | mcdona003edw | 1898 | 6/19 | New Bedford Whalers/Worcester | New England League | New Bedford, MA | |
| Edward McDonald | mcdona003edw | 1898 | 6/20-7/4 | Fall River Indians | New England League | Fall River, MA | |
| Edward McDonald | mcdona003edw | 1898 | 7/7-7/10 | Newark Colts | Atlantic League | Newark, NJ | |
| Edward McDonald | mcdona003edw | 1898 | 7/11 | Hartford Cooperatives | Atlantic League | Hartford, CT | |
| Edward McDonald | mcdona003edw | 1898 | 8/8-9/10 | Hartford Cooperatives | Atlantic League | Hartford, CT | |
| Jeremiah McDonough | mcdono001jer | 1898 | 4/25-9/18 | Toledo Mud Hens | Interstate League | Toledo, OH | |
| Dewey McDougal | mcdoug001dew | 1898 | +5/10-5/28 | Cedar Rapids Rabbits | Western Association | Cedar Rapids, IA | |
| Sandy McDougal | mcdoug002joh | 1898 | 5/2-7/4 | Taunton Herrings | New England League | Taunton, MA | |
| Barney McFadden | mcfadd001ber | 1898 | Villanova College | College | , | ||
| Barney McFadden | mcfadd001ber | 1898 | Mauch Chunk | Independent | Mauch Chunk, PA | ||
| Fred McFall | mcfall001fre | 1898 | 6/22-9/9 | Canandaigua Giants | New York State League | Canandaigua, NY | |
| Claude McFarlan | mcfarl002cla | 1898 | 4/26-5/28 | Norfolk Jewels | Atlantic League | Norfolk, VA | |
| Claude McFarlan | mcfarl002cla | 1898 | 6/2-6/23 | Newark Colts | Atlantic League | Newark, NJ | |
| Claude McFarlan | mcfarl002cla | 1898 | 7/3-9/10 | Hartford Cooperatives | Atlantic League | Hartford, CT | |
| Dan McFarlan | mcfarl002dan | 1898 | 4/30-9/11 | Montreal Royals | Eastern League | Montreal, QC | |
| Dick McFarlan | mcfarl001dic | 1898 | 5/7 | St. Joseph Saints | Western Association | St. Joseph, MO | |
| Horace McFarlan | mcfarl001hor | 1898 | 4/16-5/5 | Umpire | So | , | |
| Chappie McFarland | mcfarl002cha | 1898 | 4/28-6/26 | Dubuque Tigers | Western Association | Dubuque, IA | |
| Ed McFarland | mcfarl002edw | 1898 | 121 g. | Philadelphia | National League | Philadelphia, PA | |
| Herm McFarland | mcfarl001her | 1898 | 19 g. | Cincinnati | National League | Cincinnati, OH | |
| Herm McFarland | mcfarl001her | 1898 | 5/26-9/20 | Indianapolis Hoosiers | Western League | Indianapolis, IN | |
| W.F. McFarland | mcfarl001w-- | 1898 | 5/5-7/4 | Toronto Canucks | Eastern League | Toronto, ON | |
| Dan McGann | mcgann001den | 1898 | 145 g. | Baltimore | National League | Baltimore, MD | |
| Chippy McGarr | mcgarr001chi | 1898 | 5/11-5/18 | New Haven Blues | Connecticut State League | New Haven, CT | |
| Chippy McGarr | mcgarr001chi | 1898 | Umpire | CtSt | , | ||
| J.D. McGee | mcgee-001j-- | 1898 | Hoboken | Independent | Hoboken, NJ | ||
| J.D. McGee | mcgee-001j-- | 1898 | 7/21-9/10 | Meriden Bulldogs | Connecticut State League | Meriden, CT | |
| Connie McGeehan | mcgeeh001cor | 1898 | 5/21-6/1+ | Lock Haven Normals/Maroons | Central Pennsylvania League | Lock Haven, PA | |
| McGill | mcgill003--- | 1898 | 9/5 | Reading Coal Heavers | Atlantic League | Reading, PA | |
| Charles McGill | mcgill002cha | 1898 | Loui.-Receiver | Independent | Louisville, KY | ||
| Charles McGill | mcgill002cha | 1898 | Oil City Oilers/Dunkirk-Fredonia | Iron and Oil League | Oil City, PA | ||
| Willie McGill | mcgill005wil | 1898 | Chic.-Picketts | Semi-pro | Chicago, IL | ||
| Charles McGinnis | mcginn002cha | 1898 | 5/22-6/21 | Rock Island | Western Association | Rock Island, IL | |
| Charles McGinnis | mcginn002cha | 1898 | 7/1 | St. Thomas Saints | International League | St. Thomas, ON | |
| Charles McGinnis | mcginn002cha | 1898 | 7/16 | St. Thomas Saints | Canadian League | St. Thomas, ON | |
| Gus McGinnis | mcginn001gus | 1898 | 4/30-9/10 | Paterson Weavers | Atlantic League | Paterson, NJ | |
| Joe McGinnity | mcginn001jos | 1898 | 5/1-6/27 | Peoria Distillers | Western Association | Peoria, IL | |
| McGinty | 1898 | 7/27-8/9 | Umpire | IntSt | , | ||
| McGinty | mcgint003--- | 1898 | 7/27 | Youngstown Puddlers | Interstate League | Youngstown, OH | |
| Joe McGlynn | mcglyn000joe | 1898 | San Jose | California League | San Jose, CA | ||
| Tom McGrath | 1898 | 6 g. | Santa Cruz | Pacific Coast League | Santa Cruz, CA | ||
| John McGraw | mcgraw003joh | 1898 | 143 g. | Baltimore | National League | Baltimore, MD | |
| Eugene McGreevy | mcgree001eug | 1898 | 5/2-6/27 | Ottumwa Giants | Western Association | Ottumwa, IA | |
| Eugene McGreevy | mcgree001eug | 1898 | Topeka Giants | Kansas State League | Topeka, KS | ||
| Joe McGuckin | mcguck001joe | 1898 | 5 g. | San Jose | Pacific Coast League | San Jose, CA | |
| Joe McGuckin | mcguck001joe | 1898 | 42 g. | San Jose | Pacific Coast League | San Jose, CA | |
| Deacon McGuire | mcguir006jam | 1898 | 131 g. | Washington | National League | Washington, DC | |
| Frank McGuire | 1898 | Coshocton | Ohio State League | Coshocton, OH | |||
| Jim McGuire | mcguir001jam | 1898 | 5/13-7/13 | Johnstown/Palmyra Mormans | New York State League | Palmyra, PA | |
| Jim McGuire | mcguir001jam | 1898 | 7/15-8/11 | Lyons | New York State League | Lyons, NY | |
| Jim McGuire | mcguir001jam | 1898 | 8/13-9/10 | Syracuse Stars | Eastern League | Syracuse, NY | |
| Tom McGuire | 1898 | 1 g. | San Francisco Athletics | Pacific Coast League | San Francisco, CA | ||
| Thomas McGuirk | mcguir004tho | 1898 | 5/13-5/14 | Cortland | New York State League | Cortland, NY | |
| Bob McHale | mchale001bob | 1898 | 6 g. | Sacramento Gilt Edges | California League | Sacramento, CA | |
| Bob McHale | mchale001bob | 1898 | 5/9-6/4 | 11 g. | Washington | National League | Washington, DC |
| Bob McHale | mchale001bob | 1898 | 6/9-7/12 | Rochester Patriots/Ottawa Wanderers | Eastern League | Rochester, NY | |
| Bob McHale | mchale001bob | 1898 | 7/13-9/10 | Rochester Patriots/Ottawa Wanderers | Eastern League | Ottawa, ON | |
| Bob McHale | mchale001bob | 1898 | 9/12-9/20 | Hamilton Hams | Canadian League | Hamilton, ON | |
| Joe McHugh | mchugh001joe | 1898 | NH-Edgewood | Independent | , NH | ||
| Joe McHugh | mchugh001joe | 1898 | 6/27-7/1+ | New Haven Blues | Connecticut State League | New Haven, CT | |
| Joe McHugh | mchugh001joe | 1898 | NH-Strouse | Independent | , NH | ||
| McIlvaine | 1898 | Charleroi | Independent | Charleroi, PA | |||
| John McIlvaine | mcilva003joh | 1898 | 5/24-7/4 | St. Thomas Saints | International League | St. Thomas, ON | |
| John McIlvaine | mcilva003joh | 1898 | 7/15 | St. Thomas Saints | Canadian League | St. Thomas, ON | |
| John McIlvaine | mcilva003joh | 1898 | 7/21-9/16 | Chatham Reds | Canadian League | Chatham, ON | |
| Joseph McInerny | 1898 | 5/18-7/5 | Umpire | PacNW | , | ||
| Butch McIntyre | mcinty001cha | 1898 | 4/27-4/30 | Reading Coal Heavers | Atlantic League | Reading, PA | |
| Butch McIntyre | mcinty001cha | 1898 | 5/10-5/28 | Newark Colts | Atlantic League | Newark, NJ | |
| Butch McIntyre | mcinty001cha | 1898 | 6/5-9/10 | Allentown Peanuts | Atlantic League | Allentown, PA | |
| H.E. McIntyre | mcinty001h-- | 1898 | 5 g. | San Francisco Athletics | Pacific Coast League | San Francisco, CA | |
| James McJames | mcjame001jam | 1898 | 45 g. | Baltimore | National League | Baltimore, MD | |
| Ed McKean | mckean001edw | 1898 | 151 g. | Cleveland | National League | Cleveland, OH | |
| Kit McKenna | mckenn001kit | 1898 | 5/4-7/2 | Brockton Shoemakers | New England League | Brockton, MA | |
| Kit McKenna | mckenn001kit | 1898 | -9/27 | 14 g. | Brooklyn | National League | Brooklyn, NY |
| I.H. McKenzie | mckenz001i-- | 1898 | 24 g. | Houston Buffaloes | Texas League | Houston, TX | |
| James McKevitt | mckevi001jam | 1898 | 49 g. | Saginaw Braves | International League | Saginaw, MI | |
| James McKevitt | mckevi001jam | 1898 | Port Huron Tigers | International League | Port Huron, MI | ||
| James McKevitt | mckevi001jam | 1898 | 7/13-9/20 | Hamilton Hams | Canadian League | Hamilton, ON | |
| William McKevitt | mckevi001wil | 1898 | 5/5-7/8 | Bay City Sugar Citys | International League | Bay City, MI | |
| Byron McKibben | mckibb001byr | 1898 | 4/22-4/25 | Omaha Omahogs/St. Joseph Saints | Western League | Omaha, NE | |
| Byron McKibben | mckibb001byr | 1898 | 5/1-6/26 | Rock Island | Western Association | Rock Island, IL | |
| Donald McKim | mckim-001don | 1898 | Westminster Col. | College | , | ||
| Donald McKim | mckim-001don | 1898 | Braddock Carnegie AC | Independent | Braddock, PA | ||
| Thomas McKinley | mckinl001tho | 1898 | Belleville | Independent | Belleville, PA | ||
| Don McKinney | mckinn001don | 1898 | 4/21-4/23 | Omaha Omahogs/St. Joseph Saints | Western League | Omaha, NE | |
| Don McKinney | mckinn001don | 1898 | no g. | Detroit Tigers | Western League | Detroit, MI | |
| Don McKinney | mckinn001don | 1898 | 5/12-7/4 | Grand Rapids Cabinet Makers | Interstate League | Grand Rapids, MI | |
| Don McKinney | mckinn001don | 1898 | 7/7-7/10 | Dayton Old Soldiers | Interstate League | Dayton, OH | |
| Don McKinney | mckinn001don | 1898 | 7/27-8/6 | Chatham Reds | Canadian League | Chatham, ON | |
| McKughlin | 1898 | San Francisco Athletics | California League | San Francisco, CA | |||
| George McLaughlin | mclaug003geo | 1898 | 1 g. | San Francisco Athletics | Pacific Coast League | San Francisco, CA | |
| George McLaughlin | mclaug003geo | 1898 | 4 g. | Fresno | California League | Fresno, CA | |
| George McLaughlin | mclaug003geo | 1898 | Stockton | California League | Stockton, CA | ||
| George McLaughlin | mclaug003geo | 1898 | Fresno | California League | Fresno, CA | ||
| George McLaughlin | mclaug003geo | 1898 | 40 g. | San Francisco Athletics | Pacific Coast League | San Francisco, CA | |
| Michael McLaughlin | 1898 | Umpire | Oh-In | , | |||
| Sam McMackin | mcmack001sam | 1898 | 4/14-5/19 | Augusta | Southern League | Augusta, GA | |
| Sam McMackin | mcmack001sam | 1898 | 6/6-7/4 | Taunton Herrings | New England League | Taunton, MA | |
| Sam McMackin | mcmack001sam | 1898 | 7/30-9/10 | Cortland | New York State League | Cortland, NY | |
| Jack McMahon | mcmaho006joh | 1898 | 4/25-7/26 | Hartford Cooperatives | Atlantic League | Hartford, CT | |
| Jack McMahon | mcmaho006joh | 1898 | 8/5-9/10 | Wilkes-Barre Coal Barons | Eastern League | Wilkes-Barre, PA | |
| Barney McManus | mcmanu001bar | 1898 | 5/21-6/9 | Utica Pent Ups | New York State League | Utica, NY | |
| Barney McManus | mcmanu001bar | 1898 | 6/30-9/10 | Auburn Maroons | New York State League | Auburn, NY | |
| Frank McManus | mcmanu001fra | 1898 | 4/30-7/4 | Fall River Indians | New England League | Fall River, MA | |
| Frank McManus | mcmanu001fra | 1898 | 6/28 | Hartford Cooperatives | Atlantic League | Hartford, CT | |
| Frank McManus | mcmanu001fra | 1898 | 7/7-7/16 | Newark Colts | Atlantic League | Newark, NJ | |
| Frank McManus | mcmanu001fra | 1898 | 7/28-9/10 | Allentown Peanuts | Atlantic League | Allentown, PA | |
| Thomas McNamara | 1898 | 5/13-7/13 | Umpire | NYSt | , | ||
| John McNary | mcnary001joh | 1898 | 6/1 | Utica Pent Ups | New York State League | Utica, NY | |
| Hugh McNeeley | mcneel001har | 1898 | 4/24-9/18 | Minneapolis Millers | Western League | Minneapolis, MN | |
| Frank McPartlin | mcpart002fra | 1898 | 4/29-7/4 | Newark Colts | Atlantic League | Newark, NJ | |
| Frank McPartlin | mcpart002fra | 1898 | 7/17-9/10 | Newark Colts | Atlantic League | Newark, NJ | |
| Bid McPhee | mcphee001bid | 1898 | 133 g. | Cincinnati | National League | Cincinnati, OH | |
| James McQuaid | mcquai001jam | 1898 | 5/13-9/10 | Canandaigua Giants | New York State League | Canandaigua, NY | |
| Mart McQuaid | mcquai001mor | 1898 | 4/28- | 34 g. | Peoria Distillers | Western Association | Peoria, IL |
| Mart McQuaid | mcquai001mor | 1898 | 8/25 | 1 g. | Washington | National League | Washington, DC |
| James McShane | mcshan001j-- | 1898 | 4/26-7/10 | Dayton Old Soldiers | Interstate League | Dayton, OH | |
| James McShane | mcshan001j-- | 1898 | 7/17-9/4 | Mansfield Haymakers | Interstate League | Mansfield, OH | |
| Thomas McTighe | 1898 | College | , | ||||
| Thomas McTighe | 1898 | 7/2- | Greensburg | Independent | Greensburg, PA | ||
| Carl McVey | mcvey-001car | 1898 | 4/25-9/10 | Lancaster Maroons | Atlantic League | Lancaster, PA | |
| Mattie McVicker | mcvick001mat | 1898 | 4/23-9/20 | Kansas City Blues | Western League | Kansas City, MO | |
| Mead | 1898 | Uniontown | Independent | Uniontown, PA | |||
| Jack Mealey | mealey001jac | 1898 | 7 g. | Dallas Colts | Texas League | Dallas, TX | |
| Meaney | 1898 | 13 g. | Athletics | PacNW | , | ||
| Pat Meaney | meaney002pat | 1898 | 4/14-5/16 | Savannah | Southern League | Savannah, GA | |
| Pat Meaney | meaney002pat | 1898 | 5/25-7/5 | Newark Colts | Atlantic League | Newark, NJ | |
| Pat Meaney | meaney002pat | 1898 | 7/17-9/8 | Newark Colts | Atlantic League | Newark, NJ | |
| Pat Meaney | meaney002pat | 1898 | 18 g. | San Francisco Athletics | Pacific Coast League | San Francisco, CA | |
| Clarence Meanor | 1898 | Saginaw Braves | International League | Saginaw, MI | |||
| Jack Meara | meara-001jac | 1898 | 5/5-7/7 | London Cockneys | International League | London, ON | |
| Jack Meara | meara-001jac | 1898 | 7/13-9/20 | London Cockneys | Canadian League | London, ON | |
| Leonard Medlenka | 1898 | 1st TX Infantry, Pvt., Co. A | Span-Amer | , | |||
| Harry Meek | meek--001her | 1898 | 5/1-5/2 | Kansas City Blues | Western League | Kansas City, MO | |
| Harry Meek | meek--001her | 1898 | 5/12-6/4 | St. Joseph Saints | Western Association | St. Joseph, MO | |
| Harry Meek | meek--001her | 1898 | 6/14-7/1 | Port Huron Tigers | International League | Port Huron, MI | |
| Jouett Meekin | meekin002jou | 1898 | 38 g. | New York | National League | New York, NY | |
| Bill Mellor | mellor001wil | 1898-00 | , | ||||
| John Menefee | menefe001joh | 1898 | 1 g. | New York | National League | New York, NY | |
| John Menefee | menefe001joh | 1898 | Carnegie AC | Independent | , | ||
| John Menefee | menefe001joh | 1898 | Pitt.-Irwin | Independent | Pittsburgh, PA | ||
| John Menefee | menefe001joh | 1898 | Wichita Eagles | Kansas State League | Wichita, KS | ||
| Tom Menefee | menefe001tho | 1898 | 4/9-4/30 | Dallas Colts | Texas League | Dallas, TX | |
| Win Mercer | mercer001geo | 1898 | 80 g. | Washington | National League | Washington, DC | |
| Elmer Meredith | meredi001elm | 1898 | 4/24-9/19 | Kansas City Blues | Western League | Kansas City, MO | |
| Bill Merritt | merrit001bil | 1898 | , | ||||
| B. Mertes | 1898 | 1 g. | San Francisco Athletics | Pacific Coast League | San Francisco, CA | ||
| B. Mertes | 1898 | 1 g. | Fresno | California League | Fresno, CA | ||
| Sam Mertes | mertes001sam | 1898 | 6 g. | San Francisco Athletics | Pacific Coast League | San Francisco, CA | |
| Sam Mertes | mertes001sam | 1898 | San Francisco Athletics | Pacific Coast League | San Francisco, CA | ||
| Sam Mertes | mertes001sam | 1898 | 4/26-5/18 | Columbus Buckeyes/Senators | Western League | Columbus, OH | |
| Sam Mertes | mertes001sam | 1898 | 83 g. | Chicago | National League | Chicago, IL | |
| Jack Messerly | messer001joh | 1898 | 5/13-7/6 | Oswego Grays | New York State League | Oswego, NY | |
| Tom Messitt | messit001tom | 1898 | 5/13-9/10 | Auburn Maroons | New York State League | Auburn, NY | |
| Metz | metz--007--- | 1898 | 5/21-6/3+ | Williamsport | Central Pennsylvania League | Williamsport, PA | |
| Metz | metz--008--- | 1898 | 9/16 | Youngstown Puddlers | Interstate League | Youngstown, OH | |
| William Meyer | meyer-001wil | 1898 | preseason | Fort Wayne Indians | Interstate League | Fort Wayne, IN | |
| Meyers | meyers025--- | 1898 | 5/14-5/20 | Utica Pent Ups | New York State League | Utica, NY | |
| Charles Meyers | meyers003cha | 1898 | 4/14-5/19 | Charleston Seagulls | Southern League | Charleston, SC | |
| John Mickey | mickey001joh | 1898 | Celoron Acme Colored Giants | Iron and Oil League | Jamestown, NY | ||
| John Mickey | mickey001joh | 1898 | +5/4-6/6+ | Celoron Acme Colored Giants | Iron and Oil League | Jamestown, NY | |
| Jake Milbee | milbee001jos | 1898 | Span-Amer | , | |||
| Eddie Miles | miles-001edw | 1898 | 5/5-7/6 | Saginaw Braves | International League | Saginaw, MI | |
| Eddie Miles | miles-001edw | 1898 | 7/13-9/20 | Chatham Reds | Canadian League | Chatham, ON | |
| Miller | miller083--- | 1898 | 5/17-6/6+ | Wheeling Nailers | Ohio State League | Wheeling, WV | |
| Miller | miller140--- | 1898 | 5/4-5/30 | New Britain Rangers | Connecticut State League | New Britain, CT | |
| Miller | miller019--- | 1898 | +5/12-6/25+ | Fort Collins | Colorado State League | Fort Collins, CO | |
| Miller | miller012--- | 1898 | +5/25+ | Canton | Ohio State League | Canton, OH | |
| Miller | miller015--- | 1898 | 7/10 | Cortland | New York State League | Cortland, NY | |
| Miller | miller127--- | 1898 | 2 g. | Austin Senators | Texas League | Austin, TX | |
| Miller | miller072--- | 1898 | Atchison Huskers | Kansas State League | Atchison, KS | ||
| Al Miller | miller003alb | 1898 | 4/26-9/18 | Dayton Old Soldiers | Interstate League | Dayton, OH | |
| Bert Miller | miller002ber | 1898 | 4/26-7/16 | New Castle Quakers | Interstate League | New Castle, PA | |
| Bert Miller | miller002ber | 1898 | 8/1-9/13 | Youngstown Puddlers | Interstate League | Youngstown, OH | |
| Charles Miller | miller019cha | 1898 | Oil City Oilers/Dunkirk-Fredonia | Iron and Oil League | Oil City, PA | ||
| Connie Miller | miller001con | 1898 | New Haven Blues | Connecticut State League | New Haven, CT | ||
| Dusty Miller | miller004cha | 1898 | 152 g. | Cincinnati | National League | Cincinnati, OH | |
| Dusty Miller | miller001dak | 1898 | Kansas | s-p | Kansas, KS | ||
| George Miller | miller005geo | 1898 | 4/21-7/29 | St. Paul Apostles/Saints | Western League | St. Paul, MN | |
| George Miller | miller005geo | 1898 | 9/2-9/4 | Omaha Omahogs/St. Joseph Saints | Western League | St. Joseph, MO | |
| Joe Miller | miller006joe | 1898 | 5/7-5/27 | Hamilton Hams | International League | Hamilton, ON | |
| John Miller | miller022joh | 1898 | 5/4-6/13 | New London Whalers | Connecticut State League | New London, CT | |
| Joseph Miller | miller011jos | 1898 | Adrian Page Fence | Independent | Adrian, MI | ||
| Kohly Miller | miller001koh | 1898 | 4/30-6/23 | Montreal Royals | Eastern League | Montreal, QC | |
| Kohly Miller | miller001koh | 1898 | 6/28-7/4 | Cortland | New York State League | Cortland, NY | |
| Kohly Miller | miller001koh | 1898 | 7/7-9/16 | Youngstown Puddlers | Interstate League | Youngstown, OH | |
| Pete Miller | miller001pet | 1898 | 5/3 | Allentown Peanuts | Atlantic League | Allentown, PA | |
| Pete Miller | miller001pet | 1898 | 7/31-8/21 | Newark Colts | Atlantic League | Newark, NJ | |
| Ralph Miller | miller007ral | 1898 | 5/6- | 24 g. | Brooklyn | National League | Brooklyn, NY |
| Roscoe Miller | miller001ros | 1898 | 4/26-9/17 | Mansfield Haymakers | Interstate League | Mansfield, OH | |
| William Miller | miller027wil | 1898 | Saginaw Braves | International League | Saginaw, MI | ||
| Pat Millerick | miller002pat | 1898 | 5/25 | Lyons | New York State League | Lyons, NY | |
| Pat Millerick | miller002pat | 1898 | Peabody MA | Independent | Peabody, MA | ||
| Billy Milligan | millig002wil | 1898 | 7/2-7/4 | Buffalo Bisons | Eastern League | Buffalo, NY | |
| Sam Mills | mills-001sam | 1898 | 4/30-5/31 | Newport Colts | New England League | Newport, RI | |
| Sam Mills | mills-001sam | 1898 | 6/9-6/17 | Cortland | New York State League | Cortland, NY | |
| Sam Mills | mills-001sam | 1898 | 6/20-7/1 | Rome Romans | New York State League | Rome, NY | |
| Sam Mills | mills-001sam | 1898 | 7/4-9/10 | Utica Pent Ups | New York State League | Utica, NY | |
| Willie Mills | mills-004wil | 1898 | 4/30-5/21 | Reading Coal Heavers | Atlantic League | Reading, PA | |
| Willie Mills | mills-004wil | 1898 | 7/31 | Reading Coal Heavers | Atlantic League | Reading, PA | |
| Willie Mills | mills-004wil | 1898 | Ilion | Independent | Ilion, NY | ||
| Milton | 1898 | Wheeling Nailers | Ohio State League | Wheeling, WV | |||
| Milton | 1898 | 7/4- | New Kensington | Independent | New Kensington, PA | ||
| Hal Miner | miner-001hal | 1898 | U. of Vermont | College | , | ||
| Hal Miner | miner-001hal | 1898 | 5/10-6/23 | Montreal Royals | Eastern League | Montreal, QC | |
| Hal Miner | miner-001hal | 1898 | 6/28-7/12 | Rome Romans | New York State League | Rome, NY | |
| Hal Miner | miner-001hal | 1898 | Canajohie | Independent | Canajohie, NY | ||
| Hal Miner | miner-001hal | 1898 | 8/18-9/10 | Lancaster Maroons | Atlantic League | Lancaster, PA | |
| Dan Minnehan | minneh001dan | 1898 | 4/29-5/18 | Wilkes-Barre Coal Barons | Eastern League | Wilkes-Barre, PA | |
| Dan Minnehan | minneh001dan | 1898 | 6/2-9/10 | Paterson Weavers | Atlantic League | Paterson, NJ | |
| Harry Minnehan | minneh001har | 1898 | 4/29-5/3 | Fort Wayne Indians | Interstate League | Fort Wayne, IN | |
| Harry Minnehan | minneh001har | 1898 | 7/9-9/16 | New Castle Quakers | Interstate League | New Castle, PA | |
| Minton | 1898 | +5/20+ | Wheeling Nailers | Ohio State League | Wheeling, WV | ||
| Jack Miran | miran-001joh | 1898 | 5/28-9/9 | Meriden Bulldogs | Connecticut State League | Meriden, CT | |
| Mitchell | mitche009--- | 1898 | +5/22+ | Fort Collins | Colorado State League | Fort Collins, CO | |
| Mitchell | mitche028--- | 1898 | Warren | Iron and Oil League | Warren, PA | ||
| John Mitchell | mitche018joh | 1898 | 4/30-6/5 | Buffalo Bisons | Eastern League | Buffalo, NY | |
| Martin Mitchell | mitche003mar | 1898 | 6/13-7/13+ | Warren | Iron and Oil League | Warren, PA | |
| Homer Mock | mock--001hom | 1898 | Washington | National League | Washington, DC | ||
| Homer Mock | mock--001hom | 1898 | 7/30-8/11 | Grand Rapids Cabinet Makers | Interstate League | Grand Rapids, MI | |
| Mogg | mogg--001--- | 1898 | 7/13-7/26 | Chatham Reds | Canadian League | Chatham, ON | |
| Kid Mohler | mohler001kid | 1898 | 4/28-6/25 | Quincy | Western Association | Quincy, IL | |
| Kid Mohler | mohler001kid | 1898 | 7/18-9/20 | London Cockneys | Canadian League | London, ON | |
| Carlton Molesworth | molesw001car | 1898 | 5/13-7/30 | Johnstown/Palmyra Mormans | New York State League | Palmyra, PA | |
| Carlton Molesworth | molesw001car | 1898 | Gloversville | Independent | Gloversville, NY | ||
| Carlton Molesworth | molesw001car | 1898 | 8/7-8/15 | Johnstown/Palmyra Mormans | New York State League | Johnstown, PA | |
| Carlton Molesworth | molesw001car | 1898 | 8/17-9/10 | Cortland | New York State League | Cortland, NY | |
| Frank Monahan | monaha001fra | 1898 | 1 g. | Oakland Reliance | Pacific Coast League | Oakland, CA | |
| Frank Monahan | monaha001fra | 1898 | 1 g. | San Francisco | Pacific Coast League | San Francisco, CA | |
| Frank Monahan | monaha001fra | 1898 | 17 g. | San Francisco Athletics | Pacific Coast League | San Francisco, CA | |
| Kid Monroe | monroe001dan | 1898 | 5/2-5/10 | Omaha Omahogs/St. Joseph Saints | Western League | Omaha, NE | |
| L.E. Montgomery | montgo001l-- | 1898 | 4/14-5/19 | Birmingham Reds | Southern League | Birmingham, AL | |
| Roy Montgomery | montgo001roy | 1898 | 4/14-5/16 | Atlanta Colts | Southern League | Atlanta, GA | |
| Roy Montgomery | montgo001roy | 1898 | Joplin | Independent | Joplin, MO | ||
| James Mooney | 1898 | Ilion | Independent | Ilion, NY | |||
| Moore | 1898 | +9/4+ | Hot Springs | Southwestern League | Hot Springs, AR | ||
| Moore | moore-004--- | 1898 | 6/3+ | Williamsport | Central Pennsylvania League | Williamsport, PA | |
| Moore | moore-082--- | 1898 | 5/6 | Port Huron Tigers | International League | Port Huron, MI | |
| Alfred Moore | moore-001alf | 1898 | 4/30-6/10 | Taunton Herrings | New England League | Taunton, MA | |
| Carl Moore | moore-007car | 1898 | Smith Center | Smith Center, KS | |||
| Edward Moore | moore-001mos | 1898 | Fresno/Watsonville | Pacific Coast League | Watsonville, CA | ||
| George Moore | moore-007geo | 1898 | 5/2-5/25 | Reading Coal Heavers | Atlantic League | Reading, PA | |
| George Moore | moore-007geo | 1898 | 6/24-7/4 | Brockton Shoemakers | New England League | Brockton, MA | |
| George Moore | moore-007geo | 1898 | 7/11-8/13 | Auburn Maroons | New York State League | Auburn, NY | |
| Harry Moore | 1898 | Chicago Unions | Independent | Chicago, IL | |||
| James Moore | moore-022jam | 1898 | 5/11-6/7 | Fort Collins | Colorado State League | Fort Collins, CO | |
| Mose Moore | moore-001mos | 1898 | 2 g. | Fresno | California League | Fresno, CA | |
| Mose Moore | moore-001mos | 1898 | 19 g. | Fresno/Watsonville | Pacific Coast League | Fresno, CA | |
| Nicholas Moore | 1898 | Saginaw Braves | International League | Saginaw, MI | |||
| Wade Moore | moore-001wad | 1898 | Kansas Univ. | College | , | ||
| Zeke Moore | moore-001zek | 1898 | no g. | Hamilton Hams | International League | Hamilton, ON | |
| Moran | 1898 | College | , | ||||
| Moran | 1898 | 7/2- | Greensburg | Independent | Greensburg, PA | ||
| Augie Moran | moran-002aug | 1898 | 4/27-6/14 | Allentown Peanuts | Atlantic League | Allentown, PA | |
| Augie Moran | moran-002aug | 1898 | 7/4 | Taunton Herrings | New England League | Taunton, MA | |
| Augie Moran | moran-002aug | 1898 | 7/11-7/31 | Auburn Maroons | New York State League | Auburn, NY | |
| Augie Moran | moran-002aug | 1898 | 8/6-8/15 | Johnstown/Palmyra Mormans | New York State League | Johnstown, PA | |
| Charles Moran | moran-003cha | 1898-00 | Georgetown Col. | College | , | ||
| Charlie Moran | moran-002cha | 1898-03 | Vanderbilt Univ. | College | , | ||
| Pat Moran | moran-002pat | 1898 | 5/13-8/11 | Lyons | New York State League | Lyons, NY | |
| Pat Moran | moran-002pat | 1898 | 8/14-9/9 | Cortland | New York State League | Cortland, NY | |
| Patrick Moran | moran-004pat | 1898-00 | Wilkes-Barre HS | HighSchool | , | ||
| George Moreland | 1898 | , | |||||
| Ezra Morgan | morgan001ezr | 1898 | 5/15-5/20 | Minneapolis Millers | Western League | Minneapolis, MN | |
| Ezra Morgan | morgan001ezr | 1898 | 5/25-6/3+ | Lock Haven Normals/Maroons | Central Pennsylvania League | Lock Haven, PA | |
| Ezra Morgan | morgan001ezr | 1898 | 6/21-6/22 | Cortland | New York State League | Cortland, NY | |
| Ezra Morgan | morgan001ezr | 1898 | 6/30-7/9 | Oswego Grays | New York State League | Oswego, NY | |
| Otis Morgan | morgan001oti | 1898 | 13 g. | Houston Buffaloes | Texas League | Houston, TX | |
| Otis Morgan | morgan001oti | 1898 | 4/28-5/12 | St. Joseph Saints | Western Association | St. Joseph, MO | |
| P.H. Morgan | morgan001p-- | 1898 | 4/28-5/14 | New Castle Quakers | Interstate League | New Castle, PA | |
| Moriarty | moriar010--- | 1898 | Syra.-Shamrock | Amat | Syracuse, NY | ||
| Moriarty | moriar007--- | 1898 | 8/11-8/15 | Syracuse Stars | Eastern League | Syracuse, NY | |
| Michael Moriarty | moriar003mic | 1898 | 5/25-6/3 | Cortland | New York State League | Cortland, NY | |
| Michael Moriarty | moriar003mic | 1898 | 6/20 | Rome Romans | New York State League | Rome, NY | |
| Morney | morney001--- | 1898 | 6/28 | New London Whalers | Connecticut State League | New London, CT | |
| Morris | morris043--- | 1898 | 5/17-6/6+ | Wheeling Nailers | Ohio State League | Wheeling, WV | |
| Morris | morris022--- | 1898 | 4/23 | Birmingham Reds | Southern League | Birmingham, AL | |
| Morris | morris031--- | 1898 | +5/9-5/21 | Paris | Southwestern League | Paris, TX | |
| Kid Morris | morris012--- | 1898 | 5/30-5/31 | Allentown Peanuts | Atlantic League | Allentown, PA | |
| Kid Morris | morris010wil | 1898 | 6/7-9/3 | Danbury Hatters | Connecticut State League | Danbury, CT | |
| Tom Morrison | morris002tom | 1898 | 4/14-5/16 | New Orleans Pelicans | Southern League | New Orleans, LA | |
| Tom Morrison | morris002tom | 1898 | Belleville Clerks | Independent | Belleville, IL | ||
| Morrissey | morris092--- | 1898 | 8/22 | Detroit Tigers | Western League | Detroit, MI | |
| Frank Morrissey | morris003mic | 1898 | +5/14- | Olean | Iron and Oil League | Olean, NY | |
| Frank Morrissey | morris003mic | 1898 | 7/26-8/6 | Dayton Old Soldiers | Interstate League | Dayton, OH | |
| Jack Morrissey | morris016joh | 1898 | 8/24-9/20 | Chatham Reds | Canadian League | Chatham, ON | |
| William Morrow | morrow002wil | 1898 | San Francisco | Pacific Coast League | San Francisco, CA | ||
| Charles Morse | morse-001cha | 1898 | 4/30-6/11 | Rochester Patriots/Ottawa Wanderers | Eastern League | Rochester, NY | |
| Charles Morse | morse-001cha | 1898 | 8/15-9/9 | Rochester Patriots/Ottawa Wanderers | Eastern League | Ottawa, ON | |
| Charlie Morton | morton002cha | 1898 | 4/28-5/25 | Rochester Patriots/Ottawa Wanderers | Eastern League | Rochester, NY | |
| Charlie Morton | morton002cha | 1898 | Rochester Patriots/Ottawa Wanderers | Eastern League | Ottawa, ON | ||
| W. H. Morton | 1898 | Kinston NC | Independent | Kinston, NC | |||
| G.A. Moser | moser-001g-- | 1898 | Hot Springs | Southwestern League | Hot Springs, AR | ||
| Doc Moskiman | moskim001wil | 1898 | 8 g. | Oakland Reliance | California League | Oakland, CA | |
| Doc Moskiman | moskim001wil | 1898 | 39 g. | Oakland Reliance | Pacific Coast League | Oakland, CA | |
| Charles Moss | moss--003cha | 1898 | 4/27-5/25 | Allentown Peanuts | Atlantic League | Allentown, PA | |
| Charles Moss | moss--003cha | 1898 | 5/29-7/5 | Newark Colts | Atlantic League | Newark, NJ | |
| Charles Moss | moss--003cha | 1898 | 7/17-9/10 | Newark Colts | Atlantic League | Newark, NJ | |
| Motz | motz--002--- | 1898 | +5/18-5/27+ | Coshocton | Ohio State League | Coshocton, OH | |
| Frank Motz | motz--001fra | 1898 | 4/20-9/5 | Indianapolis Hoosiers | Western League | Indianapolis, IN | |
| Theo Moyer | moyer-001the | 1898 | +6/20-7/11+ | Meadville | Iron and Oil League | Meadville, NY | |
| Charles Moyers | 1898 | 4/14-5/? | Charleston Seagulls | Southern League | Charleston, SC | ||
| Timothy Moynihan | moynih001tim | 1898 | 5/2-7/4 | Brockton Shoemakers | New England League | Brockton, MA | |
| Timothy Moynihan | moynih001tim | 1898 | 7/20+ | New London Whalers | Connecticut State League | New London, CT | |
| C.J. Mulhall | mulhal001c-- | 1898 | Wilkes-Barre Coal Barons | Eastern League | Wilkes-Barre, PA | ||
| C.J. Mulhall | mulhal001c-- | 1898 | 5/26-6/7 | Utica Pent Ups | New York State League | Utica, NY | |
| J.J. Mulhall | mulhal001j-- | 1898 | 5/13-7/27 | Utica Pent Ups | New York State League | Utica, NY | |
| J.J. Mulhall | mulhal001j-- | 1898 | 8/2-8/17 | Auburn Maroons | New York State League | Auburn, NY | |
| Cy Mulkey | mulkey001cyr | 1898 | 8 g. | Austin Senators | Texas League | Austin, TX | |
| Cy Mulkey | mulkey001cyr | 1898 | 4/30-5/16+ | Shreveport Grays | Southwestern League | Shreveport, LA | |
| Tony Mullane | mullan001ton | 1898 | 4/24-5/14 | St. Paul Apostles/Saints | Western League | St. Paul, MN | |
| Tony Mullane | mullan001ton | 1898 | 5/27-6/12 | Detroit Tigers | Western League | Detroit, MI | |
| Dominic Mullaney | mullan002dom | 1898 | 4/14-5/9+ | Atlanta Colts | Southern League | Atlanta, GA | |
| Pike Mullaney | mullan001l-- | 1898 | no g. | Minneapolis Millers | Western League | Minneapolis, MN | |
| Pike Mullaney | mullan001l-- | 1898 | 5/6-5/28 | St. Joseph Saints | Western Association | St. Joseph, MO | |
| Max Muller | muller002max | 1898 | 5 g. | San Francisco Athletics | Pacific Coast League | San Francisco, CA | |
| Max Muller | muller002max | 1898 | 31 g. | Stockton | Pacific Coast League | Stockton, CA | |
| Max Muller | muller002max | 1898 | Sacramento Gilt Edges | California League | Sacramento, CA | ||
| John Mullin | 1898 | 1 g. | Toledo Mud Hens | Interstate League | Toledo, OH | ||
| Michael Mullin | mullen001mic | 1898 | 5/6-5/10 | Montreal Royals | Eastern League | Montreal, QC | |
| Michael Mullin | mullen001mic | 1898 | 5/17-9/9 | Cortland | New York State League | Cortland, NY | |
| Murdock | murdoc006--- | 1898 | 7/29 | Spokane | Pacific Northwest League | Spokane, WA | |
| Murphy | murphy026--- | 1898 | 6/13-6/16 | New London Whalers | Connecticut State League | New London, CT | |
| Murphy | 1898 | 35 g. | San Francisco Athletics | Pacific Coast League | San Francisco, CA | ||
| Murphy | murphy071--- | 1898 | 9/20 | Chatham Reds | Canadian League | Chatham, ON | |
| Bill Murphy | 1898 | 1 g. | San Francisco | Pacific Coast League | San Francisco, CA | ||
| Dave Murphy | murphy001dav | 1898 | No. Adams MA | Independent | North Adams, MA | ||
| Dennis Murphy | murphy003den | 1898 | 5/18-6/9 | Seattle | Pacific Northwest League | Seattle, WA | |
| Dennis Murphy | murphy003den | 1898 | 6/15-7/31 | Portland | Pacific Northwest League | Portland, OR | |
| Ed Murphy | murphy005edw | 1898 | 4/23- | 7 g. | Philadelphia | National League | Philadelphia, PA |
| Ed Murphy | murphy005edw | 1898 | 5/5-7/18 | Hartford Cooperatives | Atlantic League | Hartford, CT | |
| John Murphy | murphy025joh | 1898 | 5/6-6/17 | Port Huron Tigers | International League | Port Huron, MI | |
| John Murphy | murphy018joh | 1898 | 5/5-6/11 | Saginaw Braves | International League | Saginaw, MI | |
| Martin Murphy | murphy006mar | 1898 | 6 g. | San Francisco | Pacific Coast League | San Francisco, CA | |
| Morgan Murphy | murphy001mor | 1898 | 5 g. | Pittsburgh | National League | Pittsburgh, PA | |
| Morgan Murphy | murphy001mor | 1898 | 25 g. | Philadelphia | National League | Philadelphia, PA | |
| Steve Murphy | murphy003ste | 1898 | Pvt., Co. M, 3rd NY | , | |||
| T.P. Murphy | murphy002t-- | 1898 | Bradford Pirates | Iron and Oil League | Bradford, PA | ||
| Murray | murray015--- | 1898 | 5/9 | Danbury Hatters | Connecticut State League | Danbury, CT | |
| Billy Murray | murray007wil | 1898 | 6/24-9/11 | Providence Clamdiggers/Grays | Eastern League | Providence, RI | |
| J.M. Murray | murray004j-- | 1898 | New Orleans Pelicans | Southern League | New Orleans, LA | ||
| J.M. Murray | murray004j-- | 1898 | 4/21-4/28+ | Shreveport Grays | Southwestern League | Shreveport, LA | |
| Jim Murray | murray008jam | 1898 | +5/9+ | Paris | Southwestern League | Paris, TX | |
| Jim Murray | murray008jam | 1898 | +5/9-5/21 | Paris | Southwestern League | Paris, TX | |
| Jim Murray | murray008jam | 1898 | Shreveport Grays | Southwestern League | Shreveport, LA | ||
| John Murray | murray012joh | 1898 | Geneva 3rd Ward | Amat | Geneva, NY | ||
| Tom Murray | murray001tom | 1898 | Hoboken | Semi-pro | Hoboken, NJ | ||
| Zurah Murray | murray000zur | 1898 | 6/23-7/29 | Portland | Pacific Northwest League | Portland, OR | |
| Frank Musser | musser002joh | 1898 | 4/25-6/7 | Youngstown Puddlers | Interstate League | Youngstown, OH | |
| Frank Muthersbaugh | mutter000fh- | 1898 | 3rd Reg., MOVolInf | Span-Amer | , | ||
| Bade Myers | myers-002wil | 1898 | 4/25-9/18 | Toledo Mud Hens | Interstate League | Toledo, OH | |
| Bert Myers | myers-001ber | 1898 | 31 g. | Washington | National League | Washington, DC | |
| Phil Nadeau | nadeau001phi | 1898 | 4/30-7/4 | Brockton Shoemakers | New England League | Brockton, MA | |
| Phil Nadeau | nadeau001phi | 1898 | 7/12-7/30 | Johnstown/Palmyra Mormans | New York State League | Palmyra, PA | |
| Phil Nadeau | nadeau001phi | 1898 | Gloversville | Independent | Gloversville, NY | ||
| Phil Nadeau | nadeau001phi | 1898 | Ilion | Independent | Ilion, NY | ||
| Paul Nagle | nagle-001lef | 1898 | 5/7-8/19+ | Leadville | Colorado State League | Leadville, CO | |
| William Nance | nance-001wil | 1898 | 22 g. | Louisville | National League | Louisville, KY | |
| William Nance | nance-001wil | 1898 | 5/31-9/10 | Paterson Weavers | Atlantic League | Paterson, NJ | |
| Nash | 1898 | Fresno/Watsonville | Pacific Coast League | Watsonville, CA | |||
| Billy Nash | nash--001bil | 1898 | 20 g. | Philadelphia | National League | Philadelphia, PA | |
| Billy Nattress | nattre001wil | 1898 | 4/25-9/17 | New Castle Quakers | Interstate League | New Castle, PA | |
| Neahoff/Nei | neahof001--- | 1898 | 5/11-8/24 | Fort Collins | Colorado State League | Fort Collins, CO | |
| Nealon | 1898 | San Francisco | Pacific Coast League | San Francisco, CA | |||
| Tom Needham | needha001tho | 1898 | Coldwater MI | Independent | Coldwater, MI | ||
| Nelson | nelson010--- | 1898 | 6/18 | Cortland | New York State League | Cortland, NY | |
| Henry Nelson | nelson001hen | 1898 | 4/30-5/23 | Newport Colts | New England League | Newport, RI | |
| Jack Nelson | nelson002jac | 1898 | 4/29-6/7 | Newark Colts | Atlantic League | Newark, NJ | |
| Jack Nelson | nelson002jac | 1898 | 6/20-7/30 | Johnstown/Palmyra Mormans | New York State League | Palmyra, PA | |
| Jack Nelson | nelson002jac | 1898 | 8/6-8/11 | Johnstown/Palmyra Mormans | New York State League | Johnstown, PA | |
| Jack Nelson | nelson002jac | 1898 | Ilion | Independent | Ilion, NY | ||
| John Nelson | nelson008joh | 1898 | +5/4+ | Cuban X Giants | Independent | Cuban, | |
| Nemis | 1898 | 1 g. | San Jose | Pacific Coast League | San Jose, CA | ||
| Mike Neville | nevill001mic | 1898 | 4/14-5/9 | Atlanta Colts | Southern League | Atlanta, GA | |
| Mike Neville | nevill001mic | 1898 | Belleville Clerks | Independent | Belleville, IL | ||
| Mike Neville | nevill001mic | 1898 | 7/19-9/10 | Cortland | New York State League | Cortland, NY | |
| Billy Newbert | newber001bil | 1898 | 6 g. | Sacramento Gilt Edges | California League | Sacramento, CA | |
| Billy Newbert | newber001bil | 1898 | Stockton | Pacific Coast League | Stockton, CA | ||
| Harry Newell | newell001har | 1898 | 4/30-5/20 | Allentown Peanuts | Atlantic League | Allentown, PA | |
| John Newell | newell002joh | 1898 | 5/2-9/10 | Reading Coal Heavers | Atlantic League | Reading, PA | |
| Horace Newenham | newenh001hor | 1898 | Colby College | College | , | ||
| Ira Newick | newick001ira | 1898 | 5/6 | Newport Colts | New England League | Newport, RI | |
| Charlie Newman | newman003cha | 1898 | 4/28-6/6 | Burlington Hawkeyes | Western Association | Burlington, IA | |
| Tom News | news--001tho | 1898 | 4/30-7/4 | Pawtucket Tigers | New England League | Pawtucket, RI | |
| Tom News | news--001tho | 1898 | 7/10-7/31 | Providence Clamdiggers/Grays | Eastern League | Providence, RI | |
| Doc Newton | newton001eus | 1898 | 6/2-6/17 | Reading Coal Heavers | Atlantic League | Reading, PA | |
| Doc Newton | newton001eus | 1898 | 6/24-9/9 | Norfolk Jewels | Atlantic League | Norfolk, VA | |
| Ney | ney---001--- | 1898 | Pueblo | Colorado State League | Pueblo, CO | ||
| Sam Nicholl | nichol002sam | 1898 | 4/2-7/7 | Detroit Tigers | Western League | Detroit, MI | |
| Sam Nicholl | nichol002sam | 1898 | 7/23-9/17 | Indianapolis Hoosiers | Western League | Indianapolis, IN | |
| Art Nichols | nichol001art | 1898 | 4/30-9/11 | Springfield Ponies/Maroons | Eastern League | Springfield, MA | |
| Art Nichols | nichol001art | 1898 | 9/16- | 14 g. | Chicago | National League | Chicago, IL |
| Arthur Nichols | nichol003art | 1898 | Topeka Giants | Kansas State League | Topeka, KS | ||
| Kid Nichols | nichol006cha | 1898 | 51 g. | Boston | National League | Boston, MA | |
| Parson Nicholson | nichol001par | 1898 | 4/23-5/6 | Kansas City Blues | Western League | Kansas City, MO | |
| Parson Nicholson | nichol001par | 1898 | 8/11-9/10 | Newark Colts | Atlantic League | Newark, NJ | |
| Al Nickell | nickel001al- | 1898 | Wichita Eagles | Kansas State League | Wichita, KS | ||
| George Nicol | nicol-001geo | 1898 | 4/21-9/19 | Milwaukee Brewers/Creams | Western League | Milwaukee, WI | |
| Tom Niland | niland001tom | 1898 | 5/4-6/10+ | New Britain Rangers | Connecticut State League | New Britain, CT | |
| Bill Niles | niles-001bil | 1898 | 4/26-9/18 | Springfield Governors | Interstate League | Springfield, OH | |
| Charles Nipper | nipper001cha | 1898 | +5/18-5/29+ | Coshocton | Ohio State League | Coshocton, OH | |
| George Noblit | noblit001geo | 1898 | 4/30- | Providence Clamdiggers/Grays | Eastern League | Providence, RI | |
| George Noblit | noblit001geo | 1898 | 7/1-7/4 | New Bedford Whalers/Worcester | New England League | Worcester, MA | |
| George Noblit | noblit001geo | 1898 | -9/11 | Providence Clamdiggers/Grays | Eastern League | Providence, RI | |
| Nolan | nolan-026--- | 1898 | 4/25-5/7 | Savannah | Southern League | Savannah, GA | |
| Nolan | nolan-026--- | 1898 | 5/12 | Birmingham Reds | Southern League | Birmingham, AL | |
| Charles Nolan | nolan-001dad | 1898 | +6/26-7/30 | Aspen | Colorado State League | Aspen, CO | |
| Daddy Nolan | nolan-001dad | 1898 | +6/26-7/30 | Aspen | Colorado State League | Aspen, CO | |
| Joe Nonemaker | nonama001jos | 1898 | 5/1-6/27 | Ottumwa Giants | Western Association | Ottumwa, IA | |
| Joe Nonemaker | nonama001jos | 1898 | 7/8-7/28 | Grand Rapids Cabinet Makers | Interstate League | Grand Rapids, MI | |
| Jerry Nops | nops--001jer | 1898 | 33 g. | Baltimore | National League | Baltimore, MD | |
| Frank Norcom | norcom001fra | 1898 | 5/2-6/4 | Cedar Rapids Rabbits | Western Association | Cedar Rapids, IA | |
| Frank Norcom | norcom001fra | 1898 | 18 g. | Ottumwa Giants | Western Association | Ottumwa, IA | |
| Frank Norcom | norcom001fra | 1898 | 6/24-9/17 | Fort Wayne Indians | Interstate League | Fort Wayne, IN | |
| Lou Nordyke | nordyk001lou | 1898 | 4/20-5/4 | Detroit Tigers | Western League | Detroit, MI | |
| Lou Nordyke | nordyk001lou | 1898 | 5/13-5/25 | Grand Rapids Cabinet Makers | Interstate League | Grand Rapids, MI | |
| Lou Nordyke | nordyk001lou | 1898 | 5/30-7/8 | Bay City Sugar Citys | International League | Bay City, MI | |
| North | north-002--- | 1898 | +4/30-5/4+ | Little Rock | Southwestern League | Little Rock, AR | |
| Chris Northwang | northw001chr | 1898 | 5/13-7/12+ | Olean | Iron and Oil League | Olean, NY | |
| Chris Northwang | northw001chr | 1898 | Aspinwall | Independent | Aspinwall, | ||
| Norton | norton023--- | 1898 | 6/4-7/10 | Tacoma | Pacific Northwest League | Tacoma, WA | |
| Norton | norton023--- | 1898 | 7/13-7/17+ | Spokane | Pacific Northwest League | Spokane, WA | |
| Effie Norton | norton001eff | 1898 | 4/25-6/25 | Minneapolis Millers | Western League | Minneapolis, MN | |
| Jack Nugent | nugent001joh | 1898 | 5/13-7/15 | Utica Pent Ups | New York State League | Utica, NY | |
| Jack Nugent | nugent001joh | 1898 | 8/29-9/20 | St. Thomas Saints | Canadian League | St. Thomas, ON | |
| Charlie Nyce | nyce--002cha | 1898 | 5/15-6/1 | Detroit Tigers | Western League | Detroit, MI | |
| Nye | nye---001--- | 1898 | 5/25-5/29 | New Castle Quakers | Interstate League | New Castle, PA | |
| Darby O'Brian | obrian001dar | 1898 | 4/18 | Mobile Blackbirds | Southern League | Mobile, AL | |
| O'Brien | obrien049--- | 1898 | 5/30 | Hamilton Hams | International League | Hamilton, ON | |
| O'Brien | obrien092--- | 1898 | 9/10 | Rochester Patriots/Ottawa Wanderers | Eastern League | Ottawa, ON | |
| D. O'Brien | obrien002d-- | 1898 | 5/9-5/22 | Port Huron Tigers | International League | Port Huron, MI | |
| George O'Brien | obrien001geo | 1898 | +5/16-9/10 | New Haven Blues | Connecticut State League | New Haven, CT | |
| Jack O'Brien | obrien005joh | 1898 | 4/28-9/10 | Syracuse Stars | Eastern League | Syracuse, NY | |
| John O'Brien | obrien009joh | 1898 | 4/28-6/17 | Syracuse Stars | Eastern League | Syracuse, NY | |
| John O'Brien | obrien009joh | 1898 | 6/24-9/6 | Montreal Royals | Eastern League | Montreal, QC | |
| John O'Brien | obrien016joh | 1898 | 7/16-8/30 | Paterson Weavers | Atlantic League | Paterson, NJ | |
| John O'Brien | obrien017joh | 1898 | 5/4-6/18 | New Britain Rangers | Connecticut State League | New Britain, CT | |
| John O'Brien | obrien018joh | 1898 | 6/13-7/4 | Newport Colts | New England League | Newport, RI | |
| Patrick O'Brien | obrien007pat | 1898 | 4/14-5/18 | Augusta | Southern League | Augusta, GA | |
| Patrick O'Brien | obrien007pat | 1898 | 6/6-7/4 | Taunton Herrings | New England League | Taunton, MA | |
| Pete O'Brien | obrien001pet | 1898 | 5/13-7/11 | Rome Romans | New York State League | Rome, NY | |
| Tom O'Brien | obrien001tom | 1898 | 4/14-5/19 | Augusta | Southern League | Augusta, GA | |
| Tom O'Brien | obrien001tom | 1898 | 6/6-7/4 | Taunton Herrings | New England League | Taunton, MA | |
| Tom O'Brien | obrien001tom | 1898 | 7/11-9/10 | Oswego Grays | New York State League | Oswego, NY | |
| Tom O'Brien | obrien002tom | 1898 | 18 g. | Baltimore | National League | Baltimore, MD | |
| Tom O'Brien | obrien002tom | 1898 | 107 g. | Pittsburgh | National League | Pittsburgh, PA | |
| O'Connel | oconne001--- | 1898 | 5/4-6/16 | New Britain Rangers | Connecticut State League | New Britain, CT | |
| John O'Connell | oconne003joh | 1898 | 4/28-6/27 | Ottumwa Giants | Western Association | Ottumwa, IA | |
| John O'Connell | oconne003joh | 1898 | 7/22- | Topeka Giants | Kansas State League | Topeka, KS | |
| John O'Connell | oconne004joh | 1898 | 4/25-7/18 | Toledo Mud Hens | Interstate League | Toledo, OH | |
| Arthur O'Connor | oconne001art | 1898 | 4/21-5/21 | Shreveport Grays | Southwestern League | Shreveport, LA | |
| Cy O'Connor | oconno001cy- | 1898 | 5/4-5/19+ | New London Whalers | Connecticut State League | New London, CT | |
| Jack O'Connor | oconno006joh | 1898 | 131 g. | Cleveland | National League | Cleveland, OH | |
| Mike O'Connor | oconno003mik | 1898 | 4/9-5/9 | Austin Senators | Texas League | Austin, TX | |
| Artie O'Dea | odea--001art | 1898 | Seattle | Pacific Northwest League | Seattle, WA | ||
| O'Donnell | odonne009--- | 1898 | 5/7 | Quincy | Western Association | Quincy, IL | |
| Tom O'Donnell | odonne001tom | 1898 | 4/9-5/9 | San Antonio Missionaries | Texas League | San Antonio, TX | |
| Hal O'Hagan | ohagen001har | 1898 | 4/23-9/14 | Kansas City Blues | Western League | Kansas City, MO | |
| O'Hara | ohara-016--- | 1898 | +5/28+ | Sunbury | Central Pennsylvania League | Sunbury, PA | |
| O'Hara | ohara-015--- | 1898 | 7/11 | Wilkes-Barre Coal Barons | Eastern League | Wilkes-Barre, PA | |
| James F.? O'Hara | 1898 | College | , | ||||
| James F.? O'Hara | 1898 | Greensburg | Independent | Greensburg, PA | |||
| Francis O'Loughlin | olough001sil | 1898 | 4/30-9/10 | Umpire | East | , | |
| Eddie O'Meara | omeara001tom | 1898 | 4/26-9/16 | Fort Wayne Indians | Interstate League | Fort Wayne, IN | |
| J.P. O'Neil | oneil-003j-- | 1898 | +5/14-7/12+ | Meadville | Iron and Oil League | Meadville, NY | |
| James O'Neil | 1898 | Ilion | Independent | Ilion, NY | |||
| Jack O'Neill | oneill008joh | 1898 | 5/13-9/9 | Canandaigua Giants | New York State League | Canandaigua, NY | |
| Tip O'Neill | oneill001tip | 1898 | 4/29-9/10 | Umpire | East | , | |
| Tip O'Neill | oneill001nor | 1898 | 7 g. | Oakland Reliance | California League | Oakland, CA | |
| Tip O'Neill | oneill001nor | 1898 | 40 g. | Oakland Reliance | Pacific Coast League | Oakland, CA | |
| O'Rourke | orourk015--- | 1898 | 5/4 | Paterson Weavers | Atlantic League | Paterson, NJ | |
| Jim O'Rourke | orourk003jam | 1898 | 5/18-9/10 | Bridgeport Orators | Connecticut State League | Bridgeport, CT | |
| Thomas O'Rourke | orourk003tho | 1898 | 5/13-6/25 | Auburn Maroons | New York State League | Auburn, NY | |
| Tim O'Rourke | orourk003tim | 1898 | 4/25-6/19 | New Castle Quakers | Interstate League | New Castle, PA | |
| Tim O'Rourke | orourk003tim | 1898 | 6/22-9/18 | Springfield Governors | Interstate League | Springfield, OH | |
| O'Toole | 1898 | 5/18-7/31 | Umpire | PacNW | , | ||
| Fred Odwell | odwell001fre | 1898 | 4/30-5/4 | Wilkes-Barre Coal Barons | Eastern League | Wilkes-Barre, PA | |
| Fred Odwell | odwell001fre | 1898 | 5/26-7/11 | Rome Romans | New York State League | Rome, NY | |
| Fred Odwell | odwell001fre | 1898 | 7/12-9/10 | Wilkes-Barre Coal Barons | Eastern League | Wilkes-Barre, PA | |
| Offord | offord001--- | 1898 | +5/30-5/31+ | Zanesville Clay Diggers | Ohio State League | Zanesville, OH | |
| Jesse Oldham | oldham000jes | 1898 | 3/14- | U. No. Carolina | College | , | |
| Hank Olmsted | olmste001hen | 1898-05 | Notre Dame Univ | College | , | ||
| Hank Olmsted | olmste001hen | 1898-05 | Valparaiso Univ. | College | , | ||
| Billy Orr | orr---001bil | 1898 | 5/21-6/1+ | Williamsport | Central Pennsylvania League | Williamsport, PA | |
| Al Orth | orth--001alb | 1898 | 39 g. | Philadelphia | National League | Philadelphia, PA | |
| Osborn | osborn003--- | 1898 | 5/19+ | New Haven Blues | Connecticut State League | New Haven, CT | |
| Osborn | osborn003--- | 1898 | Wallingford | Independent | Wallingford, CT | ||
| Billy Osborne | osborn007wil | 1898 | 5/6-5/16 | Derby Angels | Connecticut State League | Derby, CT | |
| William Oswald | oswald001wil | 1898 | 4/28- | 28 g. | Peoria Distillers | Western Association | Peoria, IL |
| Jim Outcalt | outcal001jam | 1898 | 4/10-5/11 | Montgomery Senators | Southern League | Montgomery, AL | |
| John Outland | 1898 | U. of Pennsylvania | College | , | |||
| F.N. Overding | overdi001f-- | 1898 | 5/?-7/7 | Louisville | Colorado State League | Louisville, CO | |
| Overmyer | 1898 | 1 g. | Sacramento Gilt Edges | California League | Sacramento, CA | ||
| Red Owens | owens-003tho | 1898 | in Puerto Rico;4th PA Vol. Inf. | , | |||
| Ed Pabst | pabst-001ed- | 1898 | 4/29-5/16 | New Orleans Pelicans | Southern League | New Orleans, LA | |
| Russ Pace | pace--001c-- | 1898 | 4/28-6/23 | Quincy | Western Association | Quincy, IL | |
| Russ Pace | pace--001c-- | 1898 | 6/25 | Dubuque Tigers | Western Association | Dubuque, IA | |
| Russ Pace | pace--001c-- | 1898 | 6/23-7/31 | Spokane | Pacific Northwest League | Spokane, WA | |
| Russ Pace | pace--001c-- | 1898 | 17 g. | Stockton | Pacific Coast League | Stockton, CA | |
| Dick Padden | padden001ric | 1898 | 128 g. | Pittsburgh | National League | Pittsburgh, PA | |
| George Page | page--003geo | 1898 | 19 g. | Houston Buffaloes | Texas League | Houston, TX | |
| Jack Page | page--009--- | 1898 | +5/25-7/31 | Seattle | Pacific Northwest League | Seattle, WA | |
| DeWitt Palen | palen-001dew | 1898 | Honesdale PA | Independent | Honesdale, PA | ||
| Charles Palmer | palmer004cha | 1898 | Denison | Southwestern League | Denison, TX | ||
| Palmtag | 1898 | Fresno/Watsonville | Pacific Coast League | Watsonville, CA | |||
| John Pappalau | pappal001joh | 1898 | 4/26 | Milwaukee Brewers/Creams | Western League | Milwaukee, WI | |
| John Pappalau | pappal001joh | 1898 | 5/30-9/9 | Springfield Ponies/Maroons | Eastern League | Springfield, MA | |
| Al Pardee | pardee001alb | 1898 | 4/23-9/19 | Kansas City Blues | Western League | Kansas City, MO | |
| Freddy Parent | parent001fre | 1898 | 5/4-9/10 | New Haven Blues | Connecticut State League | New Haven, CT | |
| Harley Parker | parker001har | 1898 | 8/17-9/19 | Minneapolis Millers | Western League | Minneapolis, MN | |
| Jay Parker | parker001har | 1898 | no g. | Minneapolis Millers | Western League | Minneapolis, MN | |
| Rank Parker | parker001ran | 1898 | 1 g. | San Francisco | Pacific Coast League | San Francisco, CA | |
| Sam Parker | 1898 | 28th TN Vol Inf, Sgt. | Span-Amer | , | |||
| Sam Parker | 1898 | Baker-Himel School | HighSchool | , | |||
| Shorty Parker | 1898 | 2 g. | San Jose | California League | San Jose, CA | ||
| H. Leslie Parlette | 1898 | Media Mortons | Independent | Media, PA | |||
| H. Leslie Parlette | 1898 | Prospect Park | Independent | Prospect Park, | |||
| Tom Parrott | parrot002tho | 1898 | 4/23-5/30 | Minneapolis Millers | Western League | Minneapolis, MN | |
| Tom Parrott | parrot002tho | 1898 | 7/4-7/22+ | Spokane | Pacific Northwest League | Spokane, WA | |
| Tom Parrott | parrot002tho | 1898 | 7/23 | Detroit Tigers | Western League | Detroit, MI | |
| Tom Parrott | parrot002tho | 1898 | 7/26-7/31 | Seattle | Pacific Northwest League | Seattle, WA | |
| Tom Parrott | parrot002tho | 1898 | Portland | Pacific Northwest League | Portland, OR | ||
| Bones Parvin | parvin001fra | 1898 | 4/14-5/13 | Atlanta Colts | Southern League | Atlanta, GA | |
| Bones Parvin | parvin001fra | 1898 | 5/30-6/25 | Quincy | Western Association | Quincy, IL | |
| Bones Parvin | parvin001fra | 1898 | Atchison Huskers | Kansas State League | Atchison, KS | ||
| Theodore Passailaigue | 1898 | Charleston Seagulls | Southern League | Charleston, SC | |||
| Patron | patron001--- | 1898 | 6/18-6/25 | New Britain Rangers | Connecticut State League | New Britain, CT | |
| Casey Patten | patten001cas | 1898 | 4/30-9/10 | Wilkes-Barre Coal Barons | Eastern League | Wilkes-Barre, PA | |
| Patterson | 1898 | Stockton | California League | Stockton, CA | |||
| James Patterson | patter006jam | 1898 | Athletics | Independent | , | ||
| James Patterson | patter006jam | 1898 | 6/15 | Danbury Hatters | Connecticut State League | Danbury, CT | |
| John Patterson | patter007joh | 1898 | Adrian Page Fence | Independent | Adrian, MI | ||
| Van Patterson | patter001van | 1898 | 4/25-7/5 | Youngstown Puddlers | Interstate League | Youngstown, OH | |
| Van Patterson | patter001van | 1898 | 7/11-9/17 | Fort Wayne Indians | Interstate League | Fort Wayne, IN | |
| William Patterson | patter007wil | 1898 | 4/26-5/22 | Fort Wayne Indians | Interstate League | Fort Wayne, IN | |
| August Paulig | paulig001aug | 1898 | Span-Amer | , | |||
| Payette | payett001--- | 1898 | Mont.-National | Amat | , | ||
| Payette | payett001--- | 1898 | 7/31-9/6 | Montreal Royals | Eastern League | Montreal, QC | |
| Harley Payne | payne-005har | 1898 | 1 g. | Brooklyn | National League | Brooklyn, NY | |
| Joseph Payne | payne-003jos | 1898 | 5/13-6/8 | Rome Romans | New York State League | Rome, NY | |
| William Payne | payne-005wil | 1898 | 5/13-6/23+ | Celoron Acme Colored Giants | Iron and Oil League | Jamestown, NY | |
| George Paynter | paynte001geo | 1898 | no g. | Fort Worth Panthers | Texas League | Fort Worth, TX | |
| Frank Pears | pears-002fra | 1898 | no g. | Detroit Tigers | Western League | Detroit, MI | |
| Frank Pears | pears-002fra | 1898 | 5/31-7/5 | St. Thomas Saints | International League | St. Thomas, ON | |
| Frank Pears | pears-002fra | 1898 | 7/14-9/20 | St. Thomas Saints | Canadian League | St. Thomas, ON | |
| Henry Pearson | 1898 | no g. | Charleston Seagulls | Southern League | Charleston, SC | ||
| Pease | pease-006--- | 1898 | Glenwood Springs | Colorado State League | Glenwood Springs, CO | ||
| Pease | pease-006--- | 1898 | Umpire | ColoSt | , | ||
| Chick Pedroes | pedro-001cha | 1898 | 4/10-5/19 | Mobile Blackbirds | Southern League | Mobile, AL | |
| William Peeples | peeple001wil | 1898 | 5 g. | Sacramento Gilt Edges | Pacific Coast League | Sacramento, CA | |
| William Peeples | peeple001wil | 1898 | 39 g. | Sacramento Gilt Edges | Pacific Coast League | Sacramento, CA | |
| Heinie Peitz | peitz-001hen | 1898 | 105 g. | Cincinnati | National League | Cincinnati, OH | |
| John Peltz | peltz-001joh | 1898 | 4/14-5/11 | Umpire | So | , | |
| Bob Pender | pender001rob | 1898 | 4/14-5/19 | Charleston Seagulls | Southern League | Charleston, SC | |
| Bob Pender | pender001rob | 1898 | 6/3-6/27 | Ottumwa Giants | Western Association | Ottumwa, IA | |
| Bob Pender | pender001rob | 1898 | 7/7-9/17 | Youngstown Puddlers | Interstate League | Youngstown, OH | |
| Tom Pender | 1898 | Montgomery Senators | Southern League | Montgomery, AL | |||
| Frank Pequinney | pequin001fra | 1898 | 33 g. | Fort Worth Panthers | Texas League | Fort Worth, TX | |
| Frank Pequinney | pequin001fra | 1898 | Galveston Sandcrabs | Texas League | Galveston, TX | ||
| Frank Pequinney | pequin001fra | 1898 | 6/4-6/22 | Detroit Tigers | Western League | Detroit, MI | |
| Frank Pequinney | pequin001fra | 1898 | 6/29-9/18 | Dayton Old Soldiers | Interstate League | Dayton, OH | |
| Perreira | perrei001--- | 1898 | 1 g. | San Jose | Pacific Coast League | San Jose, CA | |
| Bull Perrine | perrin001fre | 1898 | 2 g. | San Francisco Athletics | Pacific Coast League | San Francisco, CA | |
| Perry | perry-034--- | 1898 | +5/12-5/14+ | Denison | Southwestern League | Denison, TX | |
| Charley Perry | perry-003cha | 1898 | no g. | Kansas City Blues | Western League | Kansas City, MO | |
| Charley Perry | perry-003cha | 1898 | 4/28-6/27 | St. Joseph Saints | Western Association | St. Joseph, MO | |
| Eddie Persons | person001edw | 1898 | 8/4 | Norfolk Jewels | Atlantic League | Norfolk, VA | |
| Peters | peters046--- | 1898 | 20 g. | Fresno/Watsonville | Pacific Coast League | Watsonville, CA | |
| Charlie Peters | peters008cha | 1898 | 5 g. | Stockton | California League | Stockton, CA | |
| George Peters | 1898 | HornellsvilleNY | Independent | Hornellsville, NY | |||
| W. Peters | 1898 | 8 g. | Oakland Reliance | California League | Oakland, CA | ||
| Dice Peterson | 1898 | 1 g. | Oakland Reliance | Pacific Coast League | Oakland, CA | ||
| Oscar Peterson | peters002osc | 1898 | 4/30-5/19 | Dubuque Tigers | Western Association | Dubuque, IA | |
| Oscar Peterson | peters002osc | 1898 | 5/25 | St. Joseph Saints | Western Association | St. Joseph, MO | |
| Pat Pettee | pettee001pat | 1898 | 4/30-6/18 | Umpire | NE | , | |
| George Pfanmiller | pfanmi001geo | 1898 | 4/29-9/10 | Norfolk Jewels | Atlantic League | Norfolk, VA | |
| Pfeifle | pfeifl001--- | 1898 | 7/13-7/23 | Chatham Reds | Canadian League | Chatham, ON | |
| Dan Pfenninger | pfenni001dan | 1898 | 5/4-9/10 | New Haven Blues | Connecticut State League | New Haven, CT | |
| Phayer | phayer000--- | 1898 | 5/19 | Seattle | Pacific Northwest League | Seattle, WA | |
| Dick Phelan | phelan001dic | 1898 | 5/7-5/15 | Umpire | So | , | |
| Ed Phelps | phelps002edw | 1898 | 5/4-9/10 | Danbury Hatters | Connecticut State League | Danbury, CT | |
| Fred Phelps | phelps001fre | 1898 | 7/13-9/15 | Chatham Reds | Canadian League | Chatham, ON | |
| Deacon Phillippe | philli001cha | 1898 | 4/23-9/18 | Minneapolis Millers | Western League | Minneapolis, MN | |
| Phillips | philli016--- | 1898 | 7/22-7/23 | Richmond Bluebirds | Atlantic League | Richmond, VA | |
| Phillips | philli031--- | 1898 | +6/?-8/? | Glenwood Springs | Colorado State League | Glenwood Springs, CO | |
| A.M. Phillips | philli004a-- | 1898 | 4/28-5/26 | Dubuque Tigers | Western Association | Dubuque, IA | |
| Bill Phillips | philli005wil | 1898 | 4/20-9/20 | Indianapolis Hoosiers | Western League | Indianapolis, IN | |
| Jack Phillips | philli004jac | 1898 | 4/28-6/2 | Ottumwa Giants | Western Association | Ottumwa, IA | |
| Marr Phillips | philli003mar | 1898 | 5/5-7/4 | Hamilton Hams | International League | Hamilton, ON | |
| Marr Phillips | philli003mar | 1898 | 7/13-9/7 | Hamilton Hams | Canadian League | Hamilton, ON | |
| Bill Phyle | phyle-002wil | 1898 | 4/22-9/12 | St. Paul Apostles/Saints | Western League | St. Paul, MN | |
| Bill Phyle | phyle-002wil | 1898 | 9/17 - | 4 g. | Chicago | National League | Chicago, IL |
| Phythyon | 1898 | Westminster | College | , | |||
| Phythyon | 1898 | Braddock Carnegie AC | Independent | Braddock, PA | |||
| Wiley Piatt | piatt-001wil | 1898 | 4/22- | 41 g. | Philadelphia | National League | Philadelphia, PA |
| Ollie Pickering | picker001oli | 1898 | 5/27-7/7 | Omaha Omahogs/St. Joseph Saints | Western League | Omaha, NE | |
| Ollie Pickering | picker001oli | 1898 | 7/8-9/13 | Omaha Omahogs/St. Joseph Saints | Western League | St. Joseph, MO | |
| Pickett | picket004--- | 1898 | 7/7-7/16 | Newark Colts | Atlantic League | Newark, NJ | |
| Dave Pickett | picket003dav | 1898 | 4/30-7/4 | Newport Colts | New England League | Newport, RI | |
| Dave Pickett | picket003dav | 1898 | 7/21-8/5 | 14 g. | Boston | National League | Boston, MA |
| Dave Pickett | picket003dav | 1898 | 8/17-9/3 | Springfield Ponies/Maroons | Eastern League | Springfield, MA | |
| John Pickett | picket001joh | 1898 | Chic.-Picketts | Semi-pro | Chicago, IL | ||
| Piper | piper-002--- | 1898 | 5/10-5/16 | Savannah | Southern League | Savannah, GA | |
| Louis Piper | piper-002lou | 1898 | 4/20-4/22 | Detroit Tigers | Western League | Detroit, MI | |
| Louis Piper | piper-002lou | 1898 | 4/28-5/16 | New Orleans Pelicans | Southern League | New Orleans, LA | |
| Togie Pittinger | pittin001cha | 1898 | 4/30-5/30 | Brockton Shoemakers | New England League | Brockton, MA | |
| Togie Pittinger | pittin001cha | 1898 | 7/2- | Greensburg | Independent | Greensburg, PA | |
| E. Pitts | pitts-002e-- | 1898 | 4 g. | Sacramento Gilt Edges | California League | Sacramento, CA | |
| Jonah Plake | plake-001jon | 1898 | +6/5-7/30+ | Aspen | Colorado State League | Aspen, CO | |
| Jonah Plake | plake-001jon | 1898 | +8/5+ | Leadville | Colorado State League | Leadville, CO | |
| Eddie Plank | plank-003edw | 1898 | McSherrystown PA | Independent | McSherrytown, PA | ||
| Eddie Pleiss | pleiss001edw | 1898 | 5/24-9/9 | Rome Romans | New York State League | Rome, NY | |
| Ed Plum | plum--000ed- | 1898 | Spokane | Pacific Northwest League | Spokane, WA | ||
| Walter Plymat | plymat001--- | 1898-99 | U. Minnesota | College | , | ||
| Mark Polhemus | polhem001mar | 1898 | 5/13-5/14 | Cortland | New York State League | Cortland, NY | |
| Pollard | 1898 | New Kensington | Independent | New Kensington, PA | |||
| Arlie Pond | pond--001arl | 1898 | 5/11-7/6 | 3 g. | Baltimore | National League | Baltimore, MD |
| Ed Poole | poole-001edw | 1898 | 4/29-9/18 | Springfield Governors | Interstate League | Springfield, OH | |
| Fred Popkay | popkay001fre | 1898 | 5/5-7/8 | Bay City Sugar Citys | International League | Bay City, MI | |
| Fred Popkay | popkay001fre | 1898 | 7/13-7/16 | Chatham Reds | Canadian League | Chatham, ON | |
| Porter | porter029--- | 1898 | 7/6-7/7 | Auburn Maroons | New York State League | Auburn, NY | |
| Maurice Posner | posner001mau | 1898 | 4/16-4/30 | Birmingham Reds | Southern League | Birmingham, AL | |
| Al Poulter | 1898 | 4 g. | San Francisco Athletics | Pacific Coast League | San Francisco, CA | ||
| Al Poulter | 1898 | Oakland Reliance | California League | Oakland, CA | |||
| Frank Powe | powe--000fra | 1898 | Talla.-S.J.B. Jrs. | Independent | Tallahasse, FL | ||
| Abner Powell | powell001abn | 1898 | 4/14-5/16 | New Orleans Pelicans | Southern League | New Orleans, LA | |
| Jack Powell | powell007joh | 1898 | 42 g. | Cleveland | National League | Cleveland, OH | |
| Doc Powers | powers002mic | 1898 | 6/12 - | 34 g. | Louisville | National League | Louisville, KY |
| Henry Powers | 1898 | President | So | , | |||
| George Prentiss | prenti002geo | 1898 | 5/18-9/10 | Waterbury Pirates | Connecticut State League | Waterbury, CT | |
| Walt Preston | presto002wal | 1898 | 4/21-5/23 | St. Paul Apostles/Saints | Western League | St. Paul, MN | |
| Walt Preston | presto002wal | 1898 | 5/26-7/7 | Omaha Omahogs/St. Joseph Saints | Western League | Omaha, NE | |
| Walt Preston | presto002wal | 1898 | 7/8-7/11 | Omaha Omahogs/St. Joseph Saints | Western League | St. Joseph, MO | |
| Walt Preston | presto002wal | 1898 | 7/13-9/20 | St. Paul Apostles/Saints | Western League | St. Paul, MN | |
| Hugh Price | price-001hug | 1898 | 5/1-6/23 | Quincy | Western Association | Quincy, IL | |
| Teddy Price | 1898 | Topeka Giants | Kansas State League | Topeka, KS | |||
| John Priest | priest004joh | 1898 | 5/29-6/13 | New Bedford Whalers/Worcester | New England League | New Bedford, MA | |
| C.F. Prince | prince001c-- | 1898 | +5/18-5/26+ | Coshocton | Ohio State League | Coshocton, OH | |
| Ransom Pringle | pringl001ran | 1898 | Celoron Acme Colored Giants | Iron and Oil League | Jamestown, NY | ||
| Harry Pritchard | pritch002har | 1898 | 4/22 | Atlanta Colts | Southern League | Atlanta, GA | |
| Harry Pritchard | pritch002har | 1898 | Wheeling Nailers | Ohio State League | Wheeling, WV | ||
| Clarence Proctor | procto001cla | 1898 | 4/28-6/27 | Dubuque Tigers | Western Association | Dubuque, IA | |
| Billy Prout | prout-002wil | 1898 | +7/30-10/16+ | Bellevue | Independent | Bellevue, KY | |
| John Puhl | puhl--002joh | 1898 | 5/4-9/10 | New London Whalers | Connecticut State League | New London, CT | |
| John Puhl | puhl--002joh | 1898 | 10/13 - | 2 g. | New York | National League | New York, NY |
| Nate Pulsifer | pulsif001nat | 1898 | +5/4+ | Bates College | College | , | |
| Nate Pulsifer | pulsif001nat | 1898 | 6/14-6/24 | Hartford Cooperatives | Atlantic League | Hartford, CT | |
| Nate Pulsifer | pulsif001nat | 1898 | 6/25-8/11 | Lyons | New York State League | Lyons, NY | |
| James Purvis | purvis002jam | 1898 | 4/25-6/29 | Hartford Cooperatives | Atlantic League | Hartford, CT | |
| Gus Pyne | pyne--001gus | 1898 | 8 g. | Oakland Reliance | Pacific Coast League | Oakland, CA | |
| Gus Pyne | pyne--001gus | 1898 | 1 g. | San Francisco | Pacific Coast League | San Francisco, CA | |
| Gus Pyne | pyne--001gus | 1898 | 32 g. | San Francisco Athletics | Pacific Coast League | San Francisco, CA | |
| J. L. Quan | 1898 | no g. | Fort Wayne Indians | Interstate League | Fort Wayne, IN | ||
| Quiesser | quiess003--- | 1898 | 5/17-6/5 | Canton | Ohio State League | Canton, OH | |
| Frank Quigg | quigg-001fra | 1898 | , | ||||
| Larry Quinlan | quinla001law | 1898 | Hoboken | Independent | Hoboken, NJ | ||
| William Quinlan | 1898 | Albany | Independent | Albany, NY | |||
| Quinn | 1898 | Braddock Carnegie AC | Independent | Braddock, PA | |||
| Ed Quinn | quinn-001ed- | 1898 | +5/25+ | Oil City Oilers/Dunkirk-Fredonia | Iron and Oil League | Oil City, PA | |
| Frank Quinn | quinn-006fra | 1898 | Bay City Sugar Citys | International League | Bay City, MI | ||
| Frank Quinn | quinn-006fra | 1898 | 5/5-7/5 | Port Huron Tigers | International League | Port Huron, MI | |
| Jack Quinn | quinn-004joh | 1898 | 4/28-6/24 | Peoria Distillers | Western Association | Peoria, IL | |
| Joe Quinn | quinn-003jos | 1898 | 12 g. | Baltimore | National League | Baltimore, MD | |
| Joe Quinn | quinn-003jos | 1898 | 103 g. | St. Louis | National League | St. Louis, MO | |
| John Quinn | quinn-009joh | 1898 | 5/4-5/10 | New Haven Blues | Connecticut State League | New Haven, CT | |
| Joseph Quinn | quinn-005jos | 1898 | 5/4-5/21 | Bridgeport Orators | Connecticut State League | Bridgeport, CT | |
| Tom Quinn | 1898 | Braddock Carnegie AC | Independent | Braddock, PA | |||
| Teddy Radcliffe | radcli001c-- | 1898 | Homestead AC | Independent | Homestead, PA | ||
| William Radcliffe | radcli001wil | 1898 | U. Pennsylvania | College | , | ||
| Paul Radford | radfor002pau | 1898 | No. Attleboro MA | Independent | North Attleboro, MA | ||
| Bill Raffert | raffer001wil | 1898 | 4/28-5/9 | Detroit Tigers | Western League | Detroit, MI | |
| Edward Rafferty | raffer002edw | 1898 | no g. | Utica Pent Ups | New York State League | Utica, NY | |
| Joe Raidy | raidy-001jos | 1898 | Canandaigua | Independent | Canandaigua, NY | ||
| Joe Raidy | raidy-001jos | 1898 | Manhattan College | College | , | ||
| Jack Raih | raih--001joh | 1898 | 4/22-4/26 | Milwaukee Brewers/Creams | Western League | Milwaukee, WI | |
| Jack Raih | raih--001joh | 1898 | Sheboygan WI | Independent | Sheboygan, WI | ||
| Jack Raih | raih--001joh | 1898 | 5/27 | Milwaukee Brewers/Creams | Western League | Milwaukee, WI | |
| Jack Raih | raih--001joh | 1898 | Sheboygan WI | Independent | Sheboygan, WI | ||
| Jack Raih | raih--001joh | 1898 | 6/30-8/20 | Milwaukee Brewers/Creams | Western League | Milwaukee, WI | |
| Rall | rall--001--- | 1898 | +5/28+ | Sunbury | Central Pennsylvania League | Sunbury, PA | |
| John Ramey | ramey-002joh | 1898 | 5/?-9/11 | Glenwood Springs | Colorado State League | Glenwood Springs, CO | |
| William Ramp | ramp--001wil | 1898 | 4/14-5/9 | Atlanta Colts | Southern League | Atlanta, GA | |
| Hank Ramsey | ramsey001hen | 1898 | 5/13-9/10 | Canandaigua Giants | New York State League | Canandaigua, NY | |
| H.J. Rand | rand--001h-- | 1898 | 5/18-7/31 | Seattle | Pacific Northwest League | Seattle, WA | |
| H.J. Rand | rand--001h-- | 1898 | -10/9 | Seattle | Pacific Northwest League | Seattle, WA | |
| Randolph | randol005--- | 1898 | Salina Blues | Kansas State League | Salina, KS | ||
| Ransom | 1898 | Orange A. A. NJ | Independent | Orange, NJ | |||
| Charles Rapp | rapp--001cha | 1898 | 16 g. | Austin Senators | Texas League | Austin, TX | |
| Charles Rapp | rapp--001cha | 1898 | 6/25-7/5 | Grand Rapids Cabinet Makers | Interstate League | Grand Rapids, MI | |
| Otto Rapp | rapp--001ott | 1898 | no g. | Sandusky | Int | Sandusky, OH | |
| John Ray | ray---006joh | 1898 | Quincy | Western Association | Quincy, IL | ||
| Fred Raymer | raymer001fre | 1898 | 4/9-4/30 | Dallas Colts | Texas League | Dallas, TX | |
| Fred Raymer | raymer001fre | 1898 | Atchison Huskers | Kansas State League | Atchison, KS | ||
| Fred Raymer | raymer001fre | 1898 | Silver City NM | Independent | Silver City, NM | ||
| Harry Raymond | raymon002har | 1898 | 6/15 | Utica Pent Ups | New York State League | Utica, NY | |
| Harry Raymond | raymon002har | 1898 | 6/25-8/29 | Umpire | NYSt | , | |
| Harry Raymond | raymon002har | 1898 | 9/5-9/10 | Utica Pent Ups | New York State League | Utica, NY | |
| Ted Ready | ready-001ted | 1898 | 4/28-5/31 | Umpire | WestA | , | |
| Reardon | reardo006--- | 1898 | 9/3 | Springfield Ponies/Maroons | Eastern League | Springfield, MA | |
| Denny Reardon | reardo001d-- | 1898 | 5/14-7/8 | Auburn Maroons | New York State League | Auburn, NY | |
| John Rebsamen | rebsam001joh | 1898 | Topeka Giants | Kansas State League | Topeka, KS | ||
| Redding | reddin005--- | 1898 | Bradford Pirates | Iron and Oil League | Bradford, PA | ||
| Redding | reddin005--- | 1898 | 7/20- | Butler | Independent | Butler, PA | |
| Frank Redding | reddin001fra | 1898 | 4/14-4/16 | New Orleans Pelicans | Southern League | New Orleans, LA | |
| Frank Redding | reddin001fra | 1898 | +7/9+ | Loui.-GossBros. | Independent | Louisville, KY | |
| J. Redmond | redmon003j-- | 1898 | 5/2 | Peoria Distillers | Western Association | Peoria, IL | |
| Reed | 1898 | 5/29-6/5 | Austin Senators | Texas League | Austin, TX | ||
| Reed | reed--031--- | 1898 | 9/5 | Reading Coal Heavers | Atlantic League | Reading, PA | |
| A.T. Reed | reed--001a-- | 1898 | Aspen | Colorado State League | Aspen, CO | ||
| Bartley Reed | reed--001bar | 1898 | 5/14-8/21+ | Denver Grizzlies | Colorado State League | Denver, CO | |
| George Reed | reed--003geo | 1898 | 25 g. | Houston Buffaloes | Texas League | Houston, TX | |
| Ray Reed | reed--002ray | 1898 | Co. H, 4thMOVI | Span-Amer | , | ||
| George Reese | reese-007--- | 1898 | +4/25+ | Texarkana | Southwestern League | Texarkana, TX | |
| George Regan | regan-001geo | 1898 | , | ||||
| Joe Regan | regan-001joe | 1898 | 5/4-5/20+ | New Britain Rangers | Connecticut State League | New Britain, CT | |
| Joe Regan | regan-001joe | 1898 | 5/28-9/10 | Bridgeport Orators | Connecticut State League | Bridgeport, CT | |
| Joe Regan | regan-001joe | 1898 | 9/21-9/22 | 2 g. | New York | National League | New York, NY |
| Andy Reid | reid--002and | 1898 | 5/9-7/5 | St. Thomas Saints | International League | St. Thomas, ON | |
| Andy Reid | reid--002and | 1898 | 7/13-8/23 | St. Thomas Saints | Canadian League | St. Thomas, ON | |
| Andy Reid | reid--002and | 1898 | 8/25-9/17 | Chatham Reds | Canadian League | Chatham, ON | |
| Bill Reid | reid--002wil | 1898 | 5/5-7/7 | Saginaw Braves | International League | Saginaw, MI | |
| Bill Reid | reid--002wil | 1898 | 7/14 | Auburn Maroons | New York State League | Auburn, NY | |
| Bill Reidy | reidy-001wil | 1898 | 4/22-9/19 | Milwaukee Brewers/Creams | Western League | Milwaukee, WI | |
| Charlie Reilly | reilly003cha | 1898 | 4/28-7/24 | Minneapolis Millers | Western League | Minneapolis, MN | |
| Charlie Reilly | reilly003cha | 1898 | 8/12-8/13+ | Denver Grizzlies | Colorado State League | Denver, CO | |
| Charlie Reilly | reilly003cha | 1898 | 8/16-9/19 | Minneapolis Millers | Western League | Minneapolis, MN | |
| David Reilly | reilly002dav | 1898 | 4/28-6/6 | Burlington Hawkeyes | Western Association | Burlington, IA | |
| David Reilly | reilly002dav | 1898 | Holyoke MA | Independent | Holyoke, MA | ||
| David Reilly | reilly002dav | 1898 | 6/14-9/8 | Springfield Ponies/Maroons | Eastern League | Springfield, MA | |
| Josh Reilly | reilly002wil | 1898 | 6 g. | San Francisco Athletics | Pacific Coast League | San Francisco, CA | |
| Josh Reilly | reilly002wil | 1898 | 40 g. | San Francisco Athletics | Pacific Coast League | San Francisco, CA | |
| Josh Reilly | reilly002wil | 1898 | San Jose | Pacific Coast League | San Jose, CA | ||
| Tom Reilly | reilly004tho | 1898 | New Bedford Whalers/Worcester | New Bedford, MA | |||
| Tom Reilly | reilly004tho | 1898 | ?-9/10 | New Haven Blues | Connecticut State League | New Haven, CT | |
| Walter Reilly | reilly001wal | 1898 | 5/4-6/5 | New Bedford Whalers/Worcester | New England League | New Bedford, MA | |
| Walter Reilly | reilly001wal | 1898 | 6/10 | Taunton Herrings | New England League | Taunton, MA | |
| Walter Reilly | reilly001wal | 1898 | 6/19 | Fall River Indians | New England League | Fall River, MA | |
| Reinacher | reinac001--- | 1898 | Hoboken | Independent | Hoboken, NJ | ||
| Doc Reisling | reisli001fra | 1898 | Canton | Ohio State League | Canton, OH | ||
| Doc Reisling | reisli001fra | 1898 | 5/9-8/6 | Toronto Canucks | Eastern League | Toronto, ON | |
| Doc Reisling | reisli001fra | 1898 | no g. | St. Thomas Saints | Canadian League | St. Thomas, ON | |
| Henry Reitz | reitz-001hen | 1898 | 132 g. | Washington | National League | Washington, DC | |
| Henry Reitz | reitz-001hen | 1898 | 5 g. | Sacramento Gilt Edges | California League | Sacramento, CA | |
| Clarence Relf | reid--001r-- | 1898-00 | U. S. Navy | Span-Amer | , | ||
| Frank Renfro | 1898 | Co D, 22nd KS, vt. | Span-Amer | , | |||
| Perry Reniker | 1898 | Co. A, 2nd MO Inf | USArmy | , | |||
| George Rettger | rettge002geo | 1898 | 4/22-9/19 | Milwaukee Brewers/Creams | Western League | Milwaukee, WI | |
| Louis Reuning | 1898 | Ilion | Independent | Ilion, NY | |||
| Erastus Reynolds | reynol001era | 1898 | 26 g. | San Antonio Missionaries | Texas League | San Antonio, TX | |
| J.D. Reynolds | reynol000jd- | 1898 | +5/29-7/3 | Spokane | Pacific Northwest League | Spokane, WA | |
| J.D. Reynolds | reynol000jd- | 1898 | 7/6-7/31 | Umpire | PacNW | , | |
| Jess Reynolds | reynol004jes | 1898 | Fort Worth Panthers | Texas League | Fort Worth, TX | ||
| Jess Reynolds | reynol004jes | 1898 | 35 g. | Galveston Sandcrabs | Texas League | Galveston, TX | |
| Jesse Reynolds | reynol001jes | 1898 | Marion IL | Independent | Marion, IL | ||
| Louis Reynolds | 1898 | Chicago Unions | Independent | Chicago, IL | |||
| Billy Rhines | rhines001wil | 1898 | 31 g. | Pittsburgh | National League | Pittsburgh, PA | |
| Billy Rice | rice--002w-- | 1898 | 4 g. | Stockton | California League | Stockton, CA | |
| Billy Rice | rice--002w-- | 1898 | 39 g. | Stockton | Pacific Coast League | Stockton, CA | |
| Charles Rice | rice--001cha | 1898 | 4/23-8/11 | Minneapolis Millers | Western League | Minneapolis, MN | |
| Charles Rice | rice--004cha | 1898 | 7/1-7/4 | New Bedford Whalers/Worcester | New England League | Worcester, MA | |
| Richards | richar038--- | 1898 | +5/24-8/25+ | Glenwood Springs | Colorado State League | Glenwood Springs, CO | |
| Bill Richardson | richar006wil | 1898 | 10 g. | Galveston Sandcrabs | Texas League | Galveston, TX | |
| Forrest Richardson | richar001w-- | 1898 | 7/4 | New Bedford Whalers/Worcester | New England League | Worcester, MA | |
| Hardy Richardson | richar001har | 1898 | 5/24-6/3 | Utica Pent Ups | New York State League | Utica, NY | |
| Hardy Richardson | richar001har | 1898 | Umpire | NYSt | , | ||
| Richie | richie003--- | 1898 | +7/27-7/29+ | New Haven Blues | Connecticut State League | New Haven, CT | |
| John Richter | richte001joh | 1898 | 4/20-5/11 | Detroit Tigers | Western League | Detroit, MI | |
| John Richter | richte001joh | 1898 | 5/20-9/10 | Wilkes-Barre Coal Barons | Eastern League | Wilkes-Barre, PA | |
| John Richter | richte001joh | 1898 | 10/6-10/9 | 3 g. | Louisville | National League | Louisville, KY |
| Joe Rickert | ricker001jos | 1898 | 4/25-9/17 | New Castle Quakers | Interstate League | New Castle, PA | |
| Joe Rickert | ricker001jos | 1898 | 10/12 - | 2 g. | Pittsburgh | National League | Pittsburgh, PA |
| Dorsey Riddlemoser | riddle002dor | 1898 | York | CumberVal | York, PA | ||
| Ridley | 1898 | 5 g. | Sacramento Gilt Edges | California League | Sacramento, CA | ||
| George Rieman | rieman001geo | 1898 | 4/27-9/17 | Fort Wayne Indians | Interstate League | Fort Wayne, IN | |
| Joseph Rieman | rieman001jos | 1898 | 4/26-9/18 | Dayton Old Soldiers | Interstate League | Dayton, OH | |
| Riggs | riggs-001--- | 1898 | Wichita Eagles | Kansas State League | Wichita, KS | ||
| Riley | riley-032--- | 1898 | 6/7-6/9 | Bridgeport Orators | Connecticut State League | Bridgeport, CT | |
| Charles Riley | riley-001cha | 1898 | Sacramento Gilt Edges | California League | Sacramento, CA | ||
| J.F. Riley | riley-002j-- | 1898 | +5/26-5/28+ | Coshocton | Ohio State League | Coshocton, OH | |
| John Riley | riley-005joh | 1898 | 5/14-7/15 | Canandaigua Giants | New York State League | Canandaigua, NY | |
| John Riley | riley-005joh | 1898 | 8/3-8/6 | Lyons | New York State League | Lyons, NY | |
| Harry Rinehart | rineha001har | 1898 | Warren | Iron and Oil League | Warren, PA | ||
| Frank Rinn | rinn--002fra | 1898 | 4/25-? | Lancaster Maroons | Atlantic League | Lancaster, PA | |
| Dud Risley | risley001dud | 1898 | 4/28- | 25 g. | St. Joseph Saints | Western Association | St. Joseph, MO |
| Ritchey | ritche003--- | 1898 | 11 g. | Fort Worth Panthers | Texas League | Fort Worth, TX | |
| Claude Ritchey | ritche001cla | 1898 | 151 g. | Louisville | National League | Louisville, KY | |
| Ritchie | 1898 | Cape May | Independent | Cape May, NJ | |||
| Lew Ritter | ritter002lew | 1898 | 4/24-7/28 | Minneapolis Millers | Western League | Minneapolis, MN | |
| Lew Ritter | ritter002lew | 1898 | 8/7 | St. Paul Apostles/Saints | Western League | St. Paul, MN | |
| Lew Ritter | ritter002lew | 1898 | 9/15-9/20 | St. Paul Apostles/Saints | Western League | St. Paul, MN | |
| John Roach | roach-003joh | 1898 | 4/28-6/21 | Peoria Distillers | Western Association | Peoria, IL | |
| John Roach | roach-003joh | 1898 | Pvt., Co. D, 2nd MO | , | |||
| Mike Roach | roach-001mik | 1898 | 4/25-9/10 | Hartford Cooperatives | Atlantic League | Hartford, CT | |
| Skel Roach | roach-001rud | 1898 | 4/10-5/19 | Mobile Blackbirds | Southern League | Mobile, AL | |
| Skel Roach | roach-001rud | 1898 | 5/14-7/13 | Johnstown/Palmyra Mormans | New York State League | Palmyra, PA | |
| Fred Roat | roat--001fre | 1898 | 4/21-7/7 | Omaha Omahogs/St. Joseph Saints | Western League | Omaha, NE | |
| Fred Roat | roat--001fre | 1898 | 7/8-9/19 | Omaha Omahogs/St. Joseph Saints | Western League | St. Joseph, MO | |
| Clay Robb | robb--001cla | 1898 | 5/5-7/8 | Bay City Sugar Citys | International League | Bay City, MI | |
| Clay Robb | robb--001cla | 1898 | 7/18-9/20 | St. Thomas Saints | Canadian League | St. Thomas, ON | |
| George Roberts | robert002geo | 1898 | 5/15-7/23 | Denver Grizzlies | Colorado State League | Denver, CO | |
| George Roberts | robert002geo | 1898 | 7/25+ | Leadville | Colorado State League | Leadville, CO | |
| George Roberts | robert002geo | 1898 | 8/1-8/24+ | Denver Grizzlies | Colorado State League | Denver, CO | |
| Robertson | robert071--- | 1898 | NH-Edgewood | Independent | , NH | ||
| Robertson | robert071--- | 1898 | 7/1-7/7 | New Haven Blues | Connecticut State League | New Haven, CT | |
| Robertson | robert076--- | 1898 | 8/9 | New Britain Rangers | Connecticut State League | New Britain, CT | |
| A. Robinson | robins003a-- | 1898 | 5/8-5/25 | Dayton Old Soldiers | Interstate League | Dayton, OH | |
| Fred Robinson | robins003fre | 1898 | +6/22-6/30+ | Bradford Pirates | Iron and Oil League | Bradford, PA | |
| Wilbert Robinson | robins001wil | 1898 | 79 g. | Baltimore | National League | Baltimore, MD | |
| Carl Rock | rock--001car | 1898 | 5/7 | London Cockneys | International League | London, ON | |
| Carl Rock | rock--001car | 1898 | 5/12-5/17 | St. Thomas Saints | International League | St. Thomas, ON | |
| Rockfield | 1898 | 1 g. | Sacramento Gilt Edges | California League | Sacramento, CA | ||
| Billy Rodden | rodden001bil | 1898 | 5/5-7/2 | St. Thomas Saints | International League | St. Thomas, ON | |
| Billy Rodden | rodden001bil | 1898 | 7/13-9/20 | St. Thomas Saints | Canadian League | St. Thomas, ON | |
| Clarence Rodman | rodman001c-- | 1898 | 5/3 | Grand Rapids Cabinet Makers | Interstate League | Grand Rapids, MI | |
| C. Roe | roe---001c-- | 1898 | 5/7-5/? | Pueblo | Colorado State League | Pueblo, CO | |
| Roeber/Raeber | roeber001--- | 1898 | 22 g. | Galveston Sandcrabs | Texas League | Galveston, TX | |
| Rogers | rogers032--- | 1898 | 6/21-6/24 | Hartford Cooperatives | Atlantic League | Hartford, CT | |
| Emmett Rogers | rogers002emm | 1898 | 5/24-7/13 | Rome Romans | New York State League | Rome, NY | |
| J. Rogers | rogers002j-- | 1898 | +7/5-7/7+ | Danbury Hatters | Connecticut State League | Danbury, CT | |
| J.P. Rogers | rogers003j-- | 1898 | +7/21-7/22+ | Meriden Bulldogs | Connecticut State League | Meriden, CT | |
| Jim Rogers | rogers001jim | 1898 | 5/7-6/11 | Springfield Ponies/Maroons | Eastern League | Springfield, MA | |
| Jim Rogers | rogers001jim | 1898 | 7/4-8/10 | Lyons | New York State League | Lyons, NY | |
| Terry Rogers | rogers001ter | 1898 | 5/4-9/10 | Danbury Hatters | Connecticut State League | Danbury, CT | |
| George Rohe | rohe--001geo | 1898 | 4/14-5/16 | Mobile Blackbirds | Southern League | Mobile, AL | |
| George Rohe | rohe--001geo | 1898 | 9/11-9/18 | Grand Rapids Cabinet Makers | Interstate League | Grand Rapids, MI | |
| Pat Rollins | rollin001hen | 1898 | 5/2-5/30 | Newport Colts | New England League | Newport, RI | |
| C. Root | root--001c-- | 1898 | 5/6-5/10 | Saginaw Braves | International League | Saginaw, MI | |
| C. Root | root--001c-- | 1898 | 9/8-9/17 | Youngstown Puddlers | Interstate League | Youngstown, OH | |
| John Roper | roper-001--- | 1898 | 1 g. | Houston Buffaloes | Texas League | Houston, TX | |
| F.M. Rose | rose--000fm- | 1898 | 8/21-8/24+ | Denver Grizzlies | Colorado State League | Denver, CO | |
| Jack Rose | rose--002jac | 1898 | 5/4-9/10 | Danbury Hatters | Connecticut State League | Danbury, CT | |
| Rosie Rosebraugh | rosebr001ros | 1898 | 5/1-9/17 | Dayton Old Soldiers | Interstate League | Dayton, OH | |
| Rosie Rosebraugh | rosebr001ros | 1898 | 9/21 - | 4 g. | Pittsburgh | National League | Pittsburgh, PA |
| A. Rosenbach | rosenb001a-- | 1898 | Akron | Independent | Akron, NY | ||
| Rosenow | roseno001--- | 1898 | +7/11-8/9+ | Fort Collins | Colorado State League | Fort Collins, CO | |
| Ross | ross--022--- | 1898 | 5/29-5/30 | Utica Pent Ups | New York State League | Utica, NY | |
| Ross | ross--006--- | 1898 | 8/1-8/5 | Allentown Peanuts | Atlantic League | Allentown, PA | |
| Art Ross | ross--001art | 1898 | 4/28 | Youngstown Puddlers | Interstate League | Youngstown, OH | |
| George Ross | ross--002geo | 1898 | 4/25-7/5 | Youngstown Puddlers | Interstate League | Youngstown, OH | |
| Bill Rotes | rhodes001bil | 1898 | 5/2-7/4 | Pawtucket Tigers | New England League | Pawtucket, RI | |
| Andy Roth | roth--001and | 1898 | 4/25-9/10 | Lancaster Maroons | Atlantic League | Lancaster, PA | |
| Rothermel | rother001--- | 1898 | Salina Blues | Kansas State League | Salina, KS | ||
| Bobby Rothermel | rother001bob | 1898 | 4/28-6/27 | St. Joseph Saints | Western Association | St. Joseph, MO | |
| Adam Rothfuss | rothfu001ada | 1898 | 4/27-7/5 | Newark Colts | Atlantic League | Newark, NJ | |
| Adam Rothfuss | rothfu001ada | 1898 | 7/17-8/30 | Newark Colts | Atlantic League | Newark, NJ | |
| Billy Rourke | rourke001wil | 1898 | 4/20-? | Omaha Omahogs/St. Joseph Saints | Western League | Omaha, NE | |
| Elmer Roussey | rousse002elm | 1898 | 5/14-7/18 | Cortland | New York State League | Cortland, NY | |
| Jack Rowe | rowe--001jac | 1898 | 4/28-9/11 | Buffalo Bisons | Eastern League | Buffalo, NY | |
| M. Rowe | rowe--001m-- | 1898 | Pueblo | Colorado State League | Pueblo, CO | ||
| A.B. Royce | royce-001a-- | 1898 | 5/5-7/5 | Bay City Sugar Citys | International League | Bay City, MI | |
| Ruby | ruby--001--- | 1898 | +5/20+ | Coshocton | Ohio State League | Coshocton, OH | |
| Frank Rudderham | rudder001fra | 1898 | 5/4-7/25 | Providence Clamdiggers/Grays | Eastern League | Providence, RI | |
| Frank Rudderham | rudder001fra | 1898 | 7/29-9/8 | Rome Romans | New York State League | Rome, NY | |
| C. Ruening | ruenin001c-- | 1898 | 5/5-5/29 | Toronto Canucks | Eastern League | Toronto, ON | |
| C. Ruening | ruenin001c-- | 1898 | 6/6-7/7 | London Cockneys | International League | London, ON | |
| C. Ruening | ruenin001c-- | 1898 | 7/13-7/16 | London Cockneys | Canadian League | London, ON | |
| Gus Ruhland | ruhlan001gus | 1898 | Ilion | Independent | Ilion, NY | ||
| Lee Rundell | rundel001g-- | 1898 | +4/26-5/10+ | Texarkana | Southwestern League | Texarkana, TX | |
| Lee Rundell | rundel001g-- | 1898 | Austin | Independent | Austin, TX | ||
| Ruse | ruse--001--- | 1898 | +5/9+ | Denison | Southwestern League | Denison, TX | |
| Willie Rush | rush--003wil | 1898 | 5/18-7/17+ | Spokane | Pacific Northwest League | Spokane, WA | |
| Amos Rusie | rusie-001amo | 1898 | 41 g. | New York | National League | New York, NY | |
| Russell | russel023--- | 1898 | +5/20-5/31+ | Olean | Iron and Oil League | Olean, NY | |
| Russell | russel003--- | 1898 | 6/2-6/3+ | Lock Haven Normals/Maroons | Central Pennsylvania League | Lock Haven, PA | |
| Cy Russell | russel002fra | 1898 | 2 g. | Oakland Reliance | California League | Oakland, CA | |
| Cy Russell | russel002fra | 1898 | 20 g. | Oakland Reliance | Pacific Coast League | Oakland, CA | |
| Cy Russell | russel002fra | 1898 | 1 g. | Oakland Reliance | Pacific Coast League | Oakland, CA | |
| Paul Russell | russel002pau | 1898 | no g. | Reading Coal Heavers | Atlantic League | Reading, PA | |
| Paul Russell | russel002pau | 1898 | Sunbury | Central Pennsylvania League | Sunbury, PA | ||
| Paul Russell | russel002pau | 1898 | 5/31-8/1 | Youngstown Puddlers | Interstate League | Youngstown, OH | |
| Arthur Rutherford | ruther002jos | 1898 | 5/13-5/23 | Saginaw Braves | International League | Saginaw, MI | |
| Arthur Rutherford | ruther002jos | 1898 | 4 g. | San Antonio Missionaries | Texas League | San Antonio, TX | |
| George Rutherford | ruther001geo | 1898 | 5/17-5/22 | Auburn Maroons | New York State League | Auburn, NY | |
| Ryan | ryan--043--- | 1898 | 9/5 | Norfolk Jewels | Atlantic League | Norfolk, VA | |
| Ryan | ryan--039--- | 1898 | 7/29 | Danbury Hatters | Connecticut State League | Danbury, CT | |
| Cyclone Ryan | ryan--001cyc | 1898 | 5/12-5/29 | Youngstown Puddlers | Interstate League | Youngstown, OH | |
| Cyclone Ryan | ryan--001cyc | 1898 | 6/2-7/30 | Johnstown/Palmyra Mormans | New York State League | Palmyra, PA | |
| Cyclone Ryan | ryan--001cyc | 1898 | 8/6-8/15 | Johnstown/Palmyra Mormans | New York State League | Johnstown, PA | |
| Denny Ryan | ryan--001den | 1898 | +5/28+ | Sunbury | Central Pennsylvania League | Sunbury, PA | |
| Jack Ryan | ryan--004joh | 1898 | 87 g. | Brooklyn | National League | Brooklyn, NY | |
| Jimmy Ryan | ryan--003jam | 1898 | 144 g. | Chicago | National League | Chicago, IL | |
| Mike Ryan | ryan--001mik | 1898 | Evansville | Evansville, IN | |||
| Paddy Ryan | ryan--001pat | 1898 | 5/22-7/28+ | Spokane | Pacific Northwest League | Spokane, WA | |
| Harry Sage | sage--001har | 1898 | 6/10-6/26 | Rock Island | Western Association | Rock Island, IL | |
| Salene | salene001--- | 1898 | 5/7-6/25+ | Leadville | Colorado State League | Leadville, CO | |
| Salene | salene001--- | 1898 | 7/9 | Aspen | Colorado State League | Aspen, CO | |
| Salene | salene001--- | 1898 | +7/23-9/11 | Leadville | Colorado State League | Leadville, CO | |
| Denny Salmon | salmon001den | 1898 | Warren | Iron and Oil League | Warren, PA | ||
| Denny Salmon | salmon001den | 1898 | Meadville | Iron and Oil League | Meadville, NY | ||
| Samuels | samuel002--- | 1898 | 7/9 | Newark Colts | Atlantic League | Newark, NJ | |
| Sanborn | sanbor001--- | 1898 | Meriden Bulldogs | Connecticut State League | Meriden, CT | ||
| Sanders | sander005--- | 1898 | 8/16-9/10 | Norfolk Jewels | Atlantic League | Norfolk, VA | |
| John Sanders | sander001sho | 1898 | 6/10-7/7 | London Cockneys | International League | London, ON | |
| Reuben Sanders | sander000rub | 1898-04 | Chemawa Indian | School | , | ||
| S.E. Sanders | sander002s-- | 1898 | 5/13-5/26 | Auburn Maroons | New York State League | Auburn, NY | |
| S.E. Sanders | sander002s-- | 1898 | 6/3-6/4 | Oswego Grays | New York State League | Oswego, NY | |
| S.E. Sanders | sander002s-- | 1898 | 6/9-6/26 | Utica Pent Ups | New York State League | Utica, NY | |
| War Sanders | sander001war | 1898 | 4/27-5/3 | Grand Rapids Cabinet Makers | Interstate League | Grand Rapids, MI | |
| Fred Sanford | 1898 | no g. | New Haven Blues | Connecticut State League | New Haven, CT | ||
| Chuck Santary | 1898 | KC-Armour | Kansas City, MO | ||||
| Saunders | saunde001--- | 1898 | 7/1-7/22+ | Derby Angels | Connecticut State League | Derby, CT | |
| Al Sauter | sauter001al- | 1898 | Phil.-Cleve.Wheelmen | Independent | Philadelphia, PA | ||
| James Sayer | sayer-001jam | 1898 | 5/13-9/10 | Oswego Grays | New York State League | Oswego, NY | |
| Doc Scanlan | scanla001wil | 1898-99 | Manhattan Col. | College | , | ||
| Scanlon/an | scanlo017--- | 1898 | 5/13 | Danbury Hatters | Connecticut State League | Danbury, CT | |
| Germany Schaefer | schaef001her | 1898 | Sioux Falls SD | s-pro | Sioux Falls, SD | ||
| Schaub | schaub001--- | 1898 | 7/4 | Columbus Buckeyes/Senators | Western League | Columbus, OH | |
| Schaub | schaub001--- | 1898 | 8/24 | Omaha Omahogs/St. Joseph Saints | Western League | St. Joseph, MO | |
| Bob Schaub | schaub001rob | 1898 | 4/25-9/10 | Lancaster Maroons | Atlantic League | Lancaster, PA | |
| Frank Schaub | schaub001fra | 1898 | Span-Amer | , | |||
| Ted Scheffler | scheff001ted | 1898 | 4/29-5/16 | Rochester Patriots/Ottawa Wanderers | Eastern League | Rochester, NY | |
| Ted Scheffler | scheff001ted | 1898 | 6/13-7/5 | Newark Colts | Atlantic League | Newark, NJ | |
| Ted Scheffler | scheff001ted | 1898 | 7/17-9/10 | Newark Colts | Atlantic League | Newark, NJ | |
| Frank Scheibeck | scheib001fra | 1898 | 4/30-9/11 | Montreal Royals | Eastern League | Montreal, QC | |
| Bert Schils | schils001alb | 1898 | Sheboygan WI | Independent | Sheboygan, WI | ||
| Larry Schlafly | schlaf001har | 1898 | 9/14-9/17 | Youngstown Puddlers | Interstate League | Youngstown, OH | |
| Claude Schmeer | schmee001cla | 1898 | 8 g. | Oakland Reliance | California League | Oakland, CA | |
| Claude Schmeer | schmee001cla | 1898 | 40 g. | Oakland Reliance | Pacific Coast League | Oakland, CA | |
| Gus Schmelz | schmel001gus | 1898 | 4/20-7/26 | Minneapolis Millers | Western League | Minneapolis, MN | |
| Schmidt | schmid019--- | 1898 | 7/7-7/10 | Newark Colts | Atlantic League | Newark, NJ | |
| Henry Schmidt | schmid004hen | 1898 | 4/29-8/17 | Richmond Bluebirds | Atlantic League | Richmond, VA | |
| Henry Schmidt | schmid004hen | 1898 | 8/21-9/10 | Lancaster Maroons | Atlantic League | Lancaster, PA | |
| Eddie Schnable | schnab001edd | 1898 | +8/10-8/25+ | Glenwood Springs | Colorado State League | Glenwood Springs, CO | |
| John Schober | schobe001joh | 1898 | 5/9-6/12 | Louisville | Colorado State League | Louisville, CO | |
| Harry Schoenut | schoen001har | 1898 | Atlantic City | Independent | Atlantic City, NJ | ||
| I. Schoenut | 1898 | Phil.-ClevWheelman | Independent | Philadelphia, PA | |||
| Walter Schooler | school001wal | 1898 | 2nd IL Inf, Co. B, Pvt. | Span-Amer | , | ||
| Grant Schopp | schopp001gra | 1898 | Lawrence Bus. Col. | College | , | ||
| Grant Schopp | schopp001gra | 1898 | Co. L, 20th KS | Span-Amer | , | ||
| Schott | schott004--- | 1898 | Olean | Iron and Oil League | Olean, NY | ||
| Schott | schott004--- | 1898 | Pitt.-Cottage | Independent | Pittsburgh, PA | ||
| Jack Schrader | schrad001jac | 1898 | Warren | Iron and Oil League | Warren, PA | ||
| Jack Schrader | schrad001jac | 1898 | Meadville | Iron and Oil League | Meadville, NY | ||
| Joe Schrall | schral001jos | 1898 | 5/2-5/25 | Grand Rapids Cabinet Makers | Interstate League | Grand Rapids, MI | |
| Joe Schrall | schral001jos | 1898 | 6/1-7/8 | Hamilton Hams | International League | Hamilton, ON | |
| Joe Schrall | schral001jos | 1898 | 7/13-9/2 | Hamilton Hams | Canadian League | Hamilton, ON | |
| John Schrant | schran001joh | 1898 | Military Service | Span-Amer | , | ||
| John Schrant | schran001joh | 1898 | Great Bend C N C | Great Bend, | |||
| Ossee Schrecongost | schrec001oss | 1898 | 4/28-6/8 | Cedar Rapids Rabbits | Western Association | Cedar Rapids, IA | |
| Ossee Schrecongost | schrec001oss | 1898 | -6/27 | Ottumwa Giants | Western Association | Ottumwa, IA | |
| Ossee Schrecongost | schrec001oss | 1898 | 7/4-9/17 | Youngstown Puddlers | Interstate League | Youngstown, OH | |
| Ossee Schrecongost | schrec001oss | 1898 | 10 g. | Cleveland | National League | Cleveland, OH | |
| Pop Schriver | schriv001wil | 1898 | 95 g. | Pittsburgh | National League | Pittsburgh, PA | |
| Cap Schroeder | schroe001cas | 1898 | 5/13-7/13 | Rome Romans | New York State League | Rome, NY | |
| Edward Schulze | 1898 | Co. C, 2nd NY Reg. | Span-Amer | , | |||
| Schwartz | schwar017--- | 1898 | 5/1-6/25 | Quincy | Western Association | Quincy, IL | |
| Scott | scott-032--- | 1898 | +4/28+ | Hot Springs | Southwestern League | Hot Springs, AR | |
| Bill Scott | scott-002bil | 1898 | 7 g. | San Francisco Athletics | Pacific Coast League | San Francisco, CA | |
| Bill Scott | scott-002bil | 1898 | 22 g. | San Francisco Athletics | Pacific Coast League | San Francisco, CA | |
| Ed Scott | scott-001edw | 1898 | 4/21-9/20 | Indianapolis Hoosiers | Western League | Indianapolis, IN | |
| Joseph Scott | scott-004jos | 1898 | Peoria Distillers | Western Association | Peoria, IL | ||
| Jimmy Seagraves | seagra001cha | 1898 | 5/13 | Allentown Peanuts | Atlantic League | Allentown, PA | |
| Jimmy Seagraves | seagra001cha | 1898 | 7/5-8/17 | Allentown Peanuts | Atlantic League | Allentown, PA | |
| Frank Sealts | 1898 | Piqua OH | Independent | Piqua, OH | |||
| Clinton Seavers | seaver002cli | 1898 | 4/30-6/20 | Fall River Indians | New England League | Fall River, MA | |
| Jimmy Sebring | sebrin001jam | 1898 | SinnamahoningPA | Independent | Sinnamahoning, PA | ||
| Charles Sechrist | sechri001cha | 1898 | 5/5-7/2 | London Cockneys | International League | London, ON | |
| Doc Sechrist | sechri001doc | 1898 | 5/2-6/20 | New Bedford Whalers/Worcester | New England League | New Bedford, MA | |
| Doc Sechrist | sechri001doc | 1898 | 7/1-7/4 | New Bedford Whalers/Worcester | New England League | Worcester, MA | |
| Seevers | seever001--- | 1898 | 6/16 | Fort Wayne Indians | Interstate League | Fort Wayne, IN | |
| Seibert | 1898 | +6/26+ | Elwood IN | Independent | Elwood, IN | ||
| Fred Seifert | seifer001fre | 1898 | 5/21-6/3+ | Williamsport | Central Pennsylvania League | Williamsport, PA | |
| Davy Seisler | seisle001dav | 1898 | 4/28-6/27 | Peoria Distillers | Western Association | Peoria, IL | |
| Kip Selbach | selbac001alb | 1898 | 132 g. | Washington | National League | Washington, DC | |
| Charles Selby | selby-001cha | 1898 | 3 g. | Houston Buffaloes | Texas League | Houston, TX | |
| William Selden | seldon001wil | 1898 | +5/4+ | Cuban X Giants | Independent | Cuban, | |
| Frank Selee | selee-001fra | 1898 | Boston | National League | Boston, MA | ||
| Charles Selna | selna-001cha | 1898 | 5 g. | Stockton | California League | Stockton, CA | |
| Charles Selna | selna-001cha | 1898 | 40 g. | Stockton | Pacific Coast League | Stockton, CA | |
| Charles Selna | selna-001cha | 1898 | Santa Cruz | Pacific Coast League | Santa Cruz, CA | ||
| W.B. Semper | semper000wb- | 1898 | 5/20-5/22+ | Spokane | Pacific Northwest League | Spokane, WA | |
| William Setley | setley001wil | 1898 | 4/17-4/22 | New Orleans Pelicans | Southern League | New Orleans, LA | |
| William Setley | setley001wil | 1898 | 4/25-5/16 | Savannah | Southern League | Savannah, GA | |
| William Setley | setley001wil | 1898 | Eufala AL | Independent | Eufala, AL | ||
| William Setley | setley001wil | 1898 | 6/12-7/24 | Utica Pent Ups | New York State League | Utica, NY | |
| William Setley | setley001wil | 1898 | 8/6-8/7 | Johnstown/Palmyra Mormans | New York State League | Johnstown, PA | |
| William Setley | setley001wil | 1898 | 8/29 | Auburn Maroons | New York State League | Auburn, NY | |
| William Setley | setley001wil | 1898 | 9/5-9/10 | Canandaigua Giants | New York State League | Canandaigua, NY | |
| Frank Sexton | sexton001fra | 1898 | U. of Penn Med. | , | |||
| Frank Sexton | sexton001fra | 1898 | Atlantic City | Independent | Atlantic City, NJ | ||
| Socks Seybold | seybol001ral | 1898 | 4/27-9/10 | Richmond Bluebirds | Atlantic League | Richmond, VA | |
| Cy Seymour | seymou001jam | 1898 | 80 g. | New York | National League | New York, NY | |
| Joe Shackleton | shackl001jos | 1898 | no g. | Auburn Maroons | New York State League | Auburn, NY | |
| Shafer | shafer003--- | 1898 | Spokane | Pacific Northwest League | Spokane, WA | ||
| Shaffer | shaffe005--- | 1898 | 5/13-6/2 | Johnstown/Palmyra Mormans | New York State League | Palmyra, PA | |
| Shaffer | shaffe006--- | 1898 | 6/6-6/8 | Rochester Patriots/Ottawa Wanderers | Eastern League | Rochester, NY | |
| Charlie Shaffer | shaffe001cha | 1898 | 4/27-5/25 | Allentown Peanuts | Atlantic League | Allentown, PA | |
| Charlie Shaffer | shaffe001cha | 1898 | 6/7-9/5 | Cortland | New York State League | Cortland, NY | |
| Clyde Shaffer | shaffe001cly | 1898 | 5/21-6/3+ | Lock Haven Normals/Maroons | Central Pennsylvania League | Lock Haven, PA | |
| Tim Shanahan | shanah001tim | 1898 | 4 g. | Sacramento Gilt Edges | Pacific Coast League | Sacramento, CA | |
| Tim Shanahan | shanah001tim | 1898 | 32 g. | Sacramento Gilt Edges | Pacific Coast League | Sacramento, CA | |
| Dan Shannon | shanno004dan | 1898 | 4/28-9/11 | Wilkes-Barre Coal Barons | Eastern League | Wilkes-Barre, PA | |
| Frank Shannon | shanno002fra | 1898 | 4/30-6/8 | New Bedford Whalers/Worcester | New England League | New Bedford, MA | |
| Frank Shannon | shanno002fra | 1898 | 6/14-9/11 | Buffalo Bisons | Eastern League | Buffalo, NY | |
| Spike Shannon | shanno003wil | 1898 | 4/14-5/19 | Charleston Seagulls | Southern League | Charleston, SC | |
| Spike Shannon | shanno003wil | 1898 | 5/30-9/10 | Richmond Bluebirds | Atlantic League | Richmond, VA | |
| William Shannon | shanno004wil | 1898 | No. Attleboro MA | Independent | North Attleboro, MA | ||
| Peck Sharp | sharp-001jim | 1898 | 5/3-6/5 | Fort Wayne Indians | Interstate League | Fort Wayne, IN | |
| Peck Sharp | sharp-001jim | 1898 | 6/8-6/24 | Detroit Tigers | Western League | Detroit, MI | |
| Peck Sharp | sharp-001jim | 1898 | 8/25-9/19 | Omaha Omahogs/St. Joseph Saints | Western League | St. Joseph, MO | |
| Jack Sharrott | sharro001jac | 1898 | 4/30-7/4 | Brockton Shoemakers | New England League | Brockton, MA | |
| Jack Sharrott | sharro001jac | 1898 | 7/11-9/20 | Detroit Tigers | Western League | Detroit, MI | |
| Bill Sharsig | sharsi001bil | 1898 | 4/25-9/10 | Allentown Peanuts | Atlantic League | Allentown, PA | |
| Al Shaw | shaw--001alf | 1898 | no g. | New Castle Quakers | Interstate League | New Castle, PA | |
| Al Shaw | shaw--001alf | 1898 | 8/11-9/10 | Syracuse Stars | Eastern League | Syracuse, NY | |
| Danny Shay | shay--001dan | 1898 | Olean | Iron and Oil League | Olean, NY | ||
| Danny Shay | shay--001dan | 1898 | 7/14 | Rochester Patriots/Ottawa Wanderers | Eastern League | Ottawa, ON | |
| Danny Shay | shay--001dan | 1898 | 7/15-9/10 | Cortland | New York State League | Cortland, NY | |
| John Shay/Shea | shay--001joh | 1898 | 5/13-6/6 | Lyons | New York State League | Lyons, NY | |
| Danny Shea | shea--001dan | 1898 | 8 g. | Oakland Reliance | California League | Oakland, CA | |
| Danny Shea | shea--001dan | 1898 | Oil City Oilers/Dunkirk-Fredonia | Iron and Oil League | Oil City, PA | ||
| Frank Shea | shea--002fra | 1898 | 5/17-5/21 | Taunton Herrings | New England League | Taunton, MA | |
| Joseph Shea | shea--001jos | 1898 | 20 g. | San Francisco | Pacific Coast League | San Francisco, CA | |
| Nap Shea | shea--001joh | 1898 | 5/2-7/4 | Brockton Shoemakers | New England League | Brockton, MA | |
| Nap Shea | shea--001joh | 1898 | 8/1-8/25 | Springfield Ponies/Maroons | Eastern League | Springfield, MA | |
| Shearon | shearo001--- | 1898 | Syracuse Stars | Eastern League | Syracuse, NY | ||
| John Shearon | shearo002joh | 1898 | 4/30-9/11 | Montreal Royals | Eastern League | Montreal, QC | |
| Jimmy Sheckard | shecka001sam | 1898 | 105 g. | Brooklyn | National League | Brooklyn, NY | |
| Sheehan | 1898 | 1 g. | Stockton | California League | Stockton, CA | ||
| Sheehan | 1898 | San Francisco | Pacific Coast League | San Francisco, CA | |||
| Sheehan | 1898 | San Francisco Athletics | California League | San Francisco, CA | |||
| Sheehan | sheeha012--- | 1898 | 4/14-5/3 | Birmingham Reds | Southern League | Birmingham, AL | |
| Billy Sheehan | 1898 | 6 g. | San Jose | California League | San Jose, CA | ||
| Dan Sheehan | sheeha001dan | 1898 | 5/5-7/5 | St. Thomas Saints | International League | St. Thomas, ON | |
| Dan Sheehan | sheeha001dan | 1898 | 7/13-9/20 | St. Thomas Saints | Canadian League | St. Thomas, ON | |
| Ed Sheehan | sheeha001ed- | 1898 | 5/3-5/14 | New Orleans Pelicans | Southern League | New Orleans, LA | |
| Owen Sheehan | sheeha001owe | 1898 | 5/13-5/24 | Oswego Grays | New York State League | Oswego, NY | |
| Timothy Sheehan | sheeha001bif | 1898 | 4/30-5/24 | Toronto Canucks | Eastern League | Toronto, ON | |
| Timothy Sheehan | sheeha001bif | 1898 | 6/6-6/11 | Buffalo Bisons | Eastern League | Buffalo, NY | |
| Timothy Sheehan | sheeha001bif | 1898 | 6/17-7/8 | Johnstown/Palmyra Mormans | New York State League | Palmyra, PA | |
| Tommy Sheehan | sheeha003tho | 1898 | Sacramento Gilt Edges | Pacific Coast League | Sacramento, CA | ||
| Robert Sheets | sheets001rob | 1898 | did not play | , | |||
| Sheffield | 1898 | +6/13-6/24+ | Celoron Acme Colored Giants | Iron and Oil League | Jamestown, NY | ||
| David Shelby | shelby000dav | 1898 | Braddock Carnegie AC | Independent | Braddock, PA | ||
| Jack Sheridan | sherid001jac | 1898 | 4/20-9/20 | Umpire | West | , | |
| Jack Sheridan | sherid001jac | 1898 | 4/16 | Atlanta Colts | Southern League | Atlanta, GA | |
| Sherlock | sherlo001--- | 1898 | 5/7-5/ | Pueblo | Colorado State League | Pueblo, CO | |
| Bill Shettsline | shetts001bil | 1898 | 6/18- | g. | Philadelphia | National League | Philadelphia, PA |
| Shewbridge | shewbr001--- | 1898 | 18 g. | Galveston Sandcrabs | Texas League | Galveston, TX | |
| Shields | 1898 | Braddock Carnegie AC | Independent | Braddock, PA | |||
| Charlie Shields | shield002cha | 1898 | Memphis Chickasaw | Independent | Memphis, TN | ||
| Eddie Shields | shield001edw | 1898 | 2nd Lt., 35th MIVI | Span-Amer | , | ||
| Herman Shincel | shince001her | 1898 | 5/2-5/14 | Reading Coal Heavers | Atlantic League | Reading, PA | |
| Herman Shincel | shince001her | 1898 | 6/18-7/13 | Cortland | New York State League | Cortland, NY | |
| Billy Shindle | shindl001wil | 1898 | 120 g. | Brooklyn | National League | Brooklyn, NY | |
| Tim Shinnick | shinni002tim | 1898 | 5/13-7/2 | Auburn Maroons | New York State League | Auburn, NY | |
| Tim Shinnick | shinni002tim | 1898 | 8/6-8/13 | Johnstown/Palmyra Mormans | New York State League | Johnstown, PA | |
| Tim Shinnick | shinni002tim | 1898 | 8/17-9/9 | Auburn Maroons | New York State League | Auburn, NY | |
| Fred Shires | shires001fre | 1898 | +5/28-7/11+ | Oil City Oilers/Dunkirk-Fredonia | Iron and Oil League | Oil City, PA | |
| Fred Shires | shires001fre | 1898 | 7/20- | Butler | Independent | Butler, PA | |
| Fred Shires | shires001fre | 1898 | no g. | Syracuse Stars | Eastern League | Syracuse, NY | |
| George Shoch | shoch-001geo | 1898 | 5/1-9/19 | Milwaukee Brewers/Creams | Western League | Milwaukee, WI | |
| Charles Sholta | sholta001cha | 1898 | 4/30-6/1 | New Bedford Whalers/Worcester | New England League | New Bedford, MA | |
| Charles Sholta | sholta001cha | 1898 | 7/1-7/4 | New Bedford Whalers/Worcester | New England League | Worcester, MA | |
| Ed Shortell | shorte001edw | 1898 | Bucknell Col. | College | , | ||
| Frank Shugart | shugar001fra | 1898 | 4/21-9/20 | St. Paul Apostles/Saints | Western League | St. Paul, MN | |
| Jerry Shugrue | shugru001jer | 1898 | 5/4-9/10 | Danbury Hatters | Connecticut State League | Danbury, CT | |
| Shumayer | shumay001--- | 1898 | 8/13 | Minneapolis Millers | Western League | Minneapolis, MN | |
| Shuster | shuste005--- | 1898 | 6/30-7/3 | Spokane | Pacific Northwest League | Spokane, WA | |
| J.F. Shuster | shuste000jf- | 1898 | 5/5 | St. Thomas Saints | International League | St. Thomas, ON | |
| Sibley | sibley001--- | 1898 | 5/21-6/3+ | Williamsport | Central Pennsylvania League | Williamsport, PA | |
| Ed Siever | siever001edw | 1898 | Wichita Eagles | Kansas State League | Wichita, KS | ||
| Ed Siever | siever001edw | 1898 | +5/26-7/32 | Aspen | Colorado State League | Aspen, CO | |
| Ed Siever | siever001edw | 1898 | +8/5-8/28+ | Leadville | Colorado State League | Leadville, CO | |
| Sleepy Simmons | simmon001sle | 1898 | +5/22-8/24 | Fort Collins | Colorado State League | Fort Collins, CO | |
| Sleepy Simmons | simmon001sle | 1898 | 9/3+? | Denver Grizzlies | Colorado State League | Denver, CO | |
| Hank Simon | simon-001hen | 1898 | 4/30-7/4 | Taunton Herrings | New England League | Taunton, MA | |
| Hank Simon | simon-001hen | 1898 | 7/10-9/10 | Utica Pent Ups | New York State League | Utica, NY | |
| Ormond Simpkins | 1898-01 | Swanee Univ | College | , | |||
| Sims | sims--003--- | 1898 | 5/17 | Allentown Peanuts | Atlantic League | Allentown, PA | |
| Charles Sipler | sipler001c-- | 1898 | 4/26-6/2 | Mansfield Haymakers | Interstate League | Mansfield, OH | |
| Charles Sipler | sipler001c-- | 1898 | 6/20-6/22 | Springfield Governors | Interstate League | Springfield, OH | |
| Jimmy Slagle | slagle001jam | 1898 | 4/23-9/20 | Kansas City Blues | Western League | Kansas City, MO | |
| Walt Slagle | slagle001wal | 1898 | 4/29-5/9 | Toledo Mud Hens | Interstate League | Toledo, OH | |
| Walt Slagle | slagle001wal | 1898 | 5/31-6/15 | Youngstown Puddlers | Interstate League | Youngstown, OH | |
| Ed Slater | slater001hen | 1898 | 4/27-9/10 | Reading Coal Heavers | Atlantic League | Reading, PA | |
| F.B. Smart | smart-001f-- | 1898 | 6/30 | Auburn Maroons | New York State League | Auburn, NY | |
| Bill Smink | smink-001wil | 1898 | 4/30-6/6 | Montreal Royals | Eastern League | Montreal, QC | |
| Bill Smink | smink-001wil | 1898 | 6/18 | Springfield Ponies/Maroons | Eastern League | Springfield, MA | |
| Bill Smink | smink-001wil | 1898 | 7/15-9/20 | London Cockneys | Canadian League | London, ON | |
| Smith | smith-226--- | 1898 | Montgomery Senators | Southern League | Montgomery, AL | ||
| Smith | smith-181--- | 1898 | 8/30 | Newark Colts | Atlantic League | Newark, NJ | |
| Smith | smith-056--- | 1898 | Glenwood Springs | Colorado State League | Glenwood Springs, CO | ||
| Smith | smith-226--- | 1898 | 4/22 | Montgomery Senators | Southern League | Montgomery, AL | |
| Aleck Smith | smith-001ale | 1898 | 52 g. | Brooklyn | National League | Brooklyn, NY | |
| Aleck Smith | smith-001ale | 1898 | 8/21-9/1 | Milwaukee Brewers/Creams | Western League | Milwaukee, WI | |
| Big Bill Smith | smith-000big | 1898 | Chicago Unions | Independent | Chicago, IL | ||
| Billy Smith | smith-011wil | 1898 | 4/28-6/27 | Ottumwa Giants | Western Association | Ottumwa, IA | |
| Billy Smith | smith-057wil | 1898 | 4/25-9/18 | Toledo Mud Hens | Interstate League | Toledo, OH | |
| Charles Smith | smith-032cha | 1898 | 4/25-9/17 | New Castle Quakers | Interstate League | New Castle, PA | |
| Clarence Smith | smith-003cha | 1898 | 4/26-9/17 | New Castle Quakers | Interstate League | New Castle, PA | |
| Dick Smith | smith-022ric | 1898 | 5/1-6/8 | Cedar Rapids Rabbits | Western Association | Cedar Rapids, IA | |
| Dick Smith | smith-022ric | 1898 | 6/13-6/26 | Rock Island | Western Association | Rock Island, IL | |
| Dick Smith | smith-022ric | 1898 | 7/6-7/9 | Mansfield Haymakers | Interstate League | Mansfield, OH | |
| Eddie Smith | smith-003edd | 1898 | 7 g. | San Francisco | PacStates | San Francisco, CA | |
| Eddie Smith | smith-003edd | 1898 | 2 g. | Sacramento | Calif? | Sacramento, CA | |
| Eddie Smith | smith-003edd | 1898 | 27 g. | San Francisco | Pacific Coast League | San Francisco, CA | |
| Eddie Smith | smith-003edd | 1898 | San Francisco Athletics | Pacific Coast League | San Francisco, CA | ||
| Elmer Smith | smith-004elm | 1898 | 123 g. | Cincinnati | National League | Cincinnati, OH | |
| Elmer Smith | smith-010elm | 1898 | 4/30-6/16 | Fall River Indians | New England League | Fall River, MA | |
| F.M. Smith | smith-005f-- | 1898 | 6/12 | Auburn Maroons | New York State League | Auburn, NY | |
| Fred Smith | smith-020fre | 1898 | 4/23-7/7 | Minneapolis Millers | Western League | Minneapolis, MN | |
| George Smith | smith-012geo | 1898 | 35 g. | Louisville | National League | Louisville, KY | |
| George Smith | smith-012geo | 1898 | 7/24-9/10 | Syracuse Stars | Eastern League | Syracuse, NY | |
| Germany Smith | smith-013geo | 1898 | Altoona | Independent | Altoona, PA | ||
| Germany Smith | smith-013geo | 1898 | -10/9 | 51 g. | St. Louis | National League | St. Louis, MO |
| Harry Smith | smith-018har | 1898 | 4/29-9/5 | Wilkes-Barre Coal Barons | Eastern League | Wilkes-Barre, PA | |
| Harry Smith | smith-026har | 1898 | Paris | Southwestern League | Paris, TX | ||
| Hugh Smith | smith-004hug | 1898 | 2 g. | Sacramento Gilt Edges | California League | Sacramento, CA | |
| John Smith | smith-002joh | 1898 | 4/26-4/27 | Youngstown Puddlers | Interstate League | Youngstown, OH | |
| John Smith | smith-002joh | 1898 | 5/13-6/3+ | Meadville | Iron and Oil League | Meadville, NY | |
| John Smith | smith-002joh | 1898 | Olean | Iron and Oil League | Olean, NY | ||
| Jud Smith | smith-001jud | 1898 | 4/28-7/24 | Syracuse Stars | Eastern League | Syracuse, NY | |
| Jud Smith | smith-001jud | 1898 | 66 g. | Washington | National League | Washington, DC | |
| Nicholas Smith | smith-002nic | 1898 | 6 g. | Stockton | California League | Stockton, CA | |
| Nicholas Smith | smith-002nic | 1898 | 38 g. | Stockton | Pacific Coast League | Stockton, CA | |
| Ollie Smith | smith-002oll | 1898 | 4/27-9/10 | Allentown Peanuts | Atlantic League | Allentown, PA | |
| Phenomenal Smith | smith-013joh | 1898 | 4/30-7/1 | Fall River Indians | New England League | Fall River, MA | |
| Phenomenal Smith | smith-013joh | 1898 | 7/7-7/16 | Newark Colts | Atlantic League | Newark, NJ | |
| Phenomenal Smith | smith-013joh | 1898 | 7/20-9/8 | Hartford Cooperatives | Atlantic League | Hartford, CT | |
| Pop Smith | smith-001pop | 1898 | 6/13-7/7 | London Cockneys | International League | London, ON | |
| Pop Smith | smith-001pop | 1898 | 7/10-7/12 | London Cockneys | Canadian League | London, ON | |
| Stub Smith | smith-001stu | 1898 | 4/30-7/4 | Fall River Indians | New England League | Fall River, MA | |
| Stub Smith | smith-001stu | 1898 | 7/10-7/16 | Newark Colts | Atlantic League | Newark, NJ | |
| Stub Smith | smith-001stu | 1898 | 7/20-9/5 | Hartford Cooperatives | Atlantic League | Hartford, CT | |
| Stub Smith | smith-001stu | 1898 | 9/10-10/15 | 3 g. | Boston | National League | Boston, MA |
| Tom Smith | smith-006tom | 1898 | 1 g. | St. Louis | National League | St. Louis, MO | |
| W. C. Smith | 1898 | Chicago Unions | Independent | Chicago, IL | |||
| William Smith | smith-059wil | 1898 | +7/21-8/15 | Meriden Bulldogs | Connecticut State League | Meriden, CT | |
| William Smith | 1898 | 9/12- | 23 g. | MLB Umpire | National League | , | |
| Bob Smurthwaite | smurth001bob | 1898 | E. Liverpool OH | Independent | East Liverpool, OH | ||
| Bob Smurthwaite | smurth001bob | 1898 | E. Liverpool OH | Independent | East Liverpool, OH | ||
| Charles Snail | snail-001cha | 1898 | 4/18-5/16 | Mobile Blackbirds | Southern League | Mobile, AL | |
| Adam Snyder | snyder001ada | 1898 | 5/13-5/20 | Utica Pent Ups | New York State League | Utica, NY | |
| Benjamin Snyder | snyder003ben | 1898 | 4/30-6/20 | New Bedford Whalers/Worcester | New England League | New Bedford, MA | |
| Cooney Snyder | snyder001coo | 1898 | 5/19-6/19 | 17 g. | Louisville | National League | Louisville, KY |
| Cooney Snyder | snyder001coo | 1898 | 7/5-9/10 | Toronto Canucks | Eastern League | Toronto, ON | |
| Cooney Snyder | snyder001coo | 1898 | 9/12-9/20 | St. Thomas Saints | Canadian League | St. Thomas, ON | |
| Leslie Snyder | snyder001les | 1898 | 5/5-7/7 | Saginaw Braves | International League | Saginaw, MI | |
| Leslie Snyder | snyder001les | 1898 | 7/13-9/20 | Chatham Reds | Canadian League | Chatham, ON | |
| Pop Snyder | snyder001pop | 1898-99 | 159 g. | MLB Umpire | National League | , | |
| Sandy Snyder | 1898 | 4 g. | Fresno | California League | Fresno, CA | ||
| Louis Sockalexis | sockal001chi | 1898 | 21 g. | Cleveland | National League | Cleveland, OH | |
| Louis Sockalexis | sockal001chi | 1898 | 9/1 | Mansfield Haymakers | Interstate League | Mansfield, OH | |
| Bill Somers | somers001bil | 1898 | 5/4-7/23 | New Britain Rangers | Connecticut State League | New Britain, CT | |
| Bill Somers | somers001bil | 1898 | 7/25-8/9 | Meriden Bulldogs | Connecticut State League | Meriden, CT | |
| Enoch Somers | 1898 | Elwood IN | Independent | Elwood, IN | |||
| Andy Sommerville | sommer001and | 1898-00 | U. of Virginia | College | , | ||
| Sox Sorber | sorber001wal | 1898 | U. S. Army | Span-Amer | , | ||
| Holly Souders | souder001har | 1898 | 5/2-9/9 | Montreal Royals | Eastern League | Montreal, QC | |
| Souter | souter001--- | 1898 | 5/4-5/27 | Minneapolis Millers | Western League | Minneapolis, MN | |
| John Southall | southa001joh | 1898 | 5/13-6/30+ | Celoron Acme Colored Giants | Iron and Oil League | Jamestown, NY | |
| Bob Spade | spade-001rob | 1898 | no g. | Columbus Buckeyes/Senators | Western League | Columbus, OH | |
| Bob Spade | spade-001rob | 1898 | no g. | Indianapolis Hoosiers | Western League | Indianapolis, IN | |
| Bill Sparger | sparge001wil | 1898 | 5 g. | Dallas Colts | Texas League | Dallas, TX | |
| Tully Sparks | sparks001tho | 1898 | 4/30-9/9 | Richmond Bluebirds | Atlantic League | Richmond, VA | |
| Frank Spates | spates001fra | 1898 | Frostburg MD | Independent | Frostburg, MD | ||
| John Spears | spears001joh | 1898 | 4/30 | Youngstown Puddlers | Interstate League | Youngstown, OH | |
| Ross Speck | speck-001ros | 1898 | 22 KS Vol Inf, Co. F | Span-Amer | , | ||
| George Speer | speer-001geo | 1898 | 4/21-9/19 | Milwaukee Brewers/Creams | Western League | Milwaukee, WI | |
| David Spence | spence003dav | 1898 | 5/21- | Williamsport | Central Pennsylvania League | Williamsport, PA | |
| Spencer | spence045--- | 1898 | Spokane | Pacific Northwest League | Spokane, WA | ||
| Dit Spencer | spence001d-- | 1898 | 25 g. | Houston Buffaloes | Texas League | Houston, TX | |
| Dit Spencer | spence001d-- | 1898 | Emporia KS | Independent | Emporia, KS | ||
| Wirt Spencer | spence012--- | 1898 | +5/13-5/16+ | Denison | Southwestern League | Denison, TX | |
| Wirt Spencer | spence001wir | 1898 | 5/27-7/4 | Fort Wayne Indians | Interstate League | Fort Wayne, IN | |
| Peter Sperlein | sperle001pet | 1898 | 5/24-6/1 | Rochester Patriots/Ottawa Wanderers | Eastern League | Rochester, NY | |
| Peter Sperlein | sperle001pet | 1898 | 6/10-6/15 | Lyons | New York State League | Lyons, NY | |
| Peter Sperlein | sperle001pet | 1898 | John.-Athletics | Independent | Johnstown, | ||
| Harry Spies | spies-001hen | 1898 | 4/21-9/18 | St. Paul Apostles/Saints | Western League | St. Paul, MN | |
| Joseph Sporer | sporer001jos | 1898 | Denver Grizzlies | Colorado State League | Denver, CO | ||
| Joseph Sporer | sporer001jos | 1898 | Billings | Independent | Billings, MT | ||
| Frank Spranger | sprang001fra | 1898 | no g. | Williamsport | Central Pennsylvania League | Williamsport, PA | |
| Jack Spratt | spratt001wil | 1898 | 4/29-9/10 | Reading Coal Heavers | Atlantic League | Reading, PA | |
| Oliver Sprogell | sproge001oli | 1898 | 4/27-9/8 | Lancaster Maroons | Atlantic League | Lancaster, PA | |
| Harry St. Clair | stclai001har | 1898 | 5/5-5/10 | Saginaw Braves | International League | Saginaw, MI | |
| Harry St. Clair | stclai001har | 1898 | 5/14-6/10 | Port Huron Tigers | International League | Port Huron, MI | |
| Cy Stackpole | stackp001art | 1898 | 5/4 | Taunton Herrings | New England League | Taunton, MA | |
| Stafford | 1898 | +6/13- | Celoron Acme Colored Giants | Iron and Oil League | Jamestown, NY | ||
| James Stafford | staffo001gen | 1898 | 49 g. | Louisville | National League | Louisville, KY | |
| James Stafford | staffo001gen | 1898 | 37 g. | Boston | National League | Boston, MA | |
| John Stafford | staffo001joh | 1898 | 7/1 | New Bedford Whalers/Worcester | New England League | Worcester, MA | |
| Robert Stafford | staffo003rob | 1898 | 4/21-9/19 | Milwaukee Brewers/Creams | Western League | Milwaukee, WI | |
| Chick Stahl | stahl-001cha | 1898 | 125 g. | Boston | National League | Boston, MA | |
| Harry Staley | staley001har | 1898 | 5/5-9/10 | Norfolk Jewels | Atlantic League | Norfolk, VA | |
| George Stallings | stalli002geo | 1898 | 5/25 | 1 g. | Philadelphia | National League | Philadelphia, PA |
| George Stallings | stalli002geo | 1898 | 7/2-9/20 | Detroit Tigers | Western League | Detroit, MI | |
| George Stalze | stalze001geo | 1898 | 4/10-4/20 | Mobile Blackbirds | Southern League | Mobile, AL | |
| George Stalze | stalze001geo | 1898 | 6/6-6/17 | Oswego Grays | New York State League | Oswego, NY | |
| Adam Stanhope | stanho001ada | 1898 | 5/13-6/7 | Oswego Grays | New York State League | Oswego, NY | |
| Stanley | 1898 | 7/2- | Greensburg | Independent | Greensburg, PA | ||
| Stanley | stanle013--- | 1898 | 6/1-6/4 | Allentown Peanuts | Atlantic League | Allentown, PA | |
| Matt Stanley | stanle001mat | 1898 | 5 g. | Sacramento Gilt Edges | Pacific Coast League | Sacramento, CA | |
| Matt Stanley | stanle001mat | 1898 | 38 g. | Sacramento Gilt Edges | Pacific Coast League | Sacramento, CA | |
| Tom Stanton | stanto002tho | 1898 | 4/9-5/9 | San Antonio Missionaries | Texas League | San Antonio, TX | |
| William Staples | staple001wil | 1898 | 4/9- | 13 g. | Galveston Sandcrabs | Texas League | Galveston, TX |
| Stark | stark-005--- | 1898 | +5/23-5/28+ | Wheeling Nailers | Ohio State League | Wheeling, WV | |
| Starkey | starke002--- | 1898 | 14 g. | Stockton | Pacific Coast League | Stockton, CA | |
| George Starnagle | starna001geo | 1898 | +4/24-5/10+ | Texarkana | Southwestern League | Texarkana, TX | |
| Joseph Starr | 1898 | 5/17-6/8 | Wheeling Nailers | Ohio State League | Wheeling, WV | ||
| Charles Stecher | steche001cha | 1898 | Private, Infantry | Span-Amer | , | ||
| Farmer Steelman | steelm001mor | 1898 | 4/15-5/19 | Charleston Seagulls | Southern League | Charleston, SC | |
| Farmer Steelman | steelm001mor | 1898 | 6/11-9/10 | Norfolk Jewels | Atlantic League | Norfolk, VA | |
| Joe Steen | steen-001jos | 1898 | 4/25-9/12 | Youngstown Puddlers | Interstate League | Youngstown, OH | |
| Gene Steere | steere001gen | 1898 | 6/9 | New Bedford Whalers/Worcester | New England League | New Bedford, MA | |
| Harry Stees | stees-001har | 1898 | USNavy | , | |||
| Michael Steffani | steffa001mic | 1898 | 4 g. | San Jose | Pacific Coast League | San Jose, CA | |
| Michael Steffani | steffa001mic | 1898 | Oakland Reliance | Pacific Coast League | Oakland, CA | ||
| Ed Stein | stein-001ed- | 1898 | - 6/27 | 3 g. | Brooklyn | National League | Brooklyn, NY |
| Harry Stein | stein-001har | 1898 | Meadville | Iron and Oil League | Meadville, NY | ||
| J. B. Stein | 1898 | no g. | Youngstown Puddlers | Interstate League | Youngstown, OH | ||
| Harry Steinfeldt | steinf001har | 1898 | 4/22- | 88 g. | Cincinnati | National League | Cincinnati, OH |
| Edward Steinhoff | 1898 | Umpire | Tx | , | |||
| Stennagle | stenna001--- | 1898 | +4/24-5/10+ | Texarkana | Southwestern League | Texarkana, TX | |
| Jake Stenzel | stenze001jak | 1898 | 35 g. | Baltimore | National League | Baltimore, MD | |
| Jake Stenzel | stenze001jak | 1898 | 108 g. | St. Louis | National League | St. Louis, MO | |
| Reuben Stephenson | stephe001dum | 1898 | 5/13-7/31 | Auburn Maroons | New York State League | Auburn, NY | |
| Reuben Stephenson | stephe001dum | 1898 | 8/6-8/15 | Johnstown/Palmyra Mormans | New York State League | Johnstown, PA | |
| Bruce Sterling | 1898 | W. Univ. of PA | College | , | |||
| Bruce Sterling | 1898 | Uniontown | Independent | Uniontown, PA | |||
| Frank Sterlith | 1898 | Waterbury Pirates | Connecticut State League | Waterbury, CT | |||
| Ace Stewart | stewar001ace | 1898 | 4/20-9/20 | Indianapolis Hoosiers | Western League | Indianapolis, IN | |
| Charles Stewart | stewar013cha | 1898 | 4/18-5/16 | Atlanta Colts | Southern League | Atlanta, GA | |
| Claude Stewart | stewar002cla | 1898 | 6 g. | Stockton | California League | Stockton, CA | |
| Joe Stidham | stidha000joe | 1898 | +4/6+ | Fredericksburg Col. | College | , | |
| Archie Stimmel | stimme001arc | 1898 | 5/4-5/28 | Richmond Bluebirds | Atlantic League | Richmond, VA | |
| Archie Stimmel | stimme001arc | 1898 | 7/7-9/9 | Allentown Peanuts | Atlantic League | Allentown, PA | |
| Stingley | stingl001--- | 1898 | +7/6-7/30+ | Aspen | Colorado State League | Aspen, CO | |
| Alex Stirlith | stirli000ale | 1898 | 5/10-7/22 | Waterbury Pirates | Connecticut State League | Waterbury, CT | |
| Jack Stivetts | stivet001jac | 1898 | 41 g. | Boston | National League | Boston, MA | |
| Otis Stocksdale | stocks002oti | 1898 | 5/3-7/9 | Richmond Bluebirds | Atlantic League | Richmond, VA | |
| John Stone | 1898 | no g. | New Haven Blues | Connecticut State League | New Haven, CT | ||
| Harry Stoney | stoney001har | 1898 | 5/7-5/ | Pueblo | Colorado State League | Pueblo, CO | |
| Harry Stoney | stoney001har | 1898 | +7/8-7/30+ | Aspen | Colorado State League | Aspen, CO | |
| Gussie Stotler | stotle000gus | 1898 | Tacoma | Pacific Northwest League | Tacoma, WA | ||
| Tom Stouch | stouch001tom | 1898 | 4/30-7/4 | Pawtucket Tigers | New England League | Pawtucket, RI | |
| Tom Stouch | stouch001tom | 1898 | 7/7-7/27 | 4 g. | Louisville | National League | Louisville, KY |
| Tom Stouch | stouch001tom | 1898 | 8/5-9/11 | Providence Clamdiggers/Grays | Eastern League | Providence, RI | |
| James Stout | stout-001jam | 1898 | 5/19-6/10 | Cortland | New York State League | Cortland, NY | |
| James Stout | stout-001jam | 1898 | 7/27-7/30 | Johnstown/Palmyra Mormans | New York State League | Palmyra, PA | |
| James Stout | stout-001jam | 1898 | Gloversville | Independent | Gloversville, NY | ||
| Willie Stout | stout-002wil | 1898 | 6/15-7/22 | Rome Romans | New York State League | Rome, NY | |
| Frank Strarup | straru000fra | 1898 | KC-Schmelzers | Independent | Kansas City, MO | ||
| Scott Stratton | stratt001sco | 1898 | 4/27-9/10 | Reading Coal Heavers | Atlantic League | Reading, PA | |
| Joe Straub | straub001joe | 1898 | 5/7-5/29+ | Umpire | ColoSt | , | |
| Joe Strause | straus002joe | 1898 | 7/6-7/22 | Mansfield Haymakers | Interstate League | Mansfield, OH | |
| Joe Strauss | straus001joe | 1898 | 4/27-6/26 | Rock Island | Western Association | Rock Island, IL | |
| Streaker | streak002--- | 1898 | 4/15-5/17 | Birmingham Reds | Southern League | Birmingham, AL | |
| Julie Streib | streib001jul | 1898 | 6 g. | Santa Cruz | Pacific Coast League | Santa Cruz, CA | |
| Julie Streib | streib001jul | 1898 | 42 g. | Santa Cruz | Pacific Coast League | Santa Cruz, CA | |
| Oscar Streit | streit001osc | 1898 | 4/26-5/2 | Columbus Buckeyes/Senators | Western League | Columbus, OH | |
| Oscar Streit | streit001osc | 1898 | 5/27-9/16 | Dayton Old Soldiers | Interstate League | Dayton, OH | |
| Elmer Stricklett | strick001elm | 1898 | 4/9- | 8 g. | Dallas Colts | Texas League | Dallas, TX |
| Elmer Stricklett | strick001elm | 1898 | Joplin | Independent | Joplin, MO | ||
| Elmer Stricklett | strick001elm | 1898 | Atchison Huskers | Kansas State League | Atchison, KS | ||
| Elmer Stricklett | strick001elm | 1898 | Salina Blues | Kansas State League | Salina, KS | ||
| Charles Strobel | strobe001cha | 1898 | 4/25-9/18 | Toledo Mud Hens | Interstate League | Toledo, OH | |
| Sandow Stroecker | stroec001san | 1898 | 6 g. | San Francisco | Pacific Coast League | San Francisco, CA | |
| Sandow Stroecker | stroec001san | 1898 | 27 g. | San Francisco Athletics | Pacific Coast League | San Francisco, CA | |
| Sandow Stroecker | stroec001san | 1898 | Stockton | Pacific Coast League | Stockton, CA | ||
| Billy Stroh | stroh-001wil | 1898 | Ilion | Independent | Ilion, NY | ||
| Billy Stroh | stroh-001wil | 1898 | 7/10-7/11 | Utica Pent Ups | New York State League | Utica, NY | |
| Elizabeth Stroud | stroud001eli | 1898 | 7/5 | Reading Coal Heavers | Atlantic League | Reading, PA | |
| William Stroud | stroud001wil | 1898 | 5/5-7/8 | Hamilton Hams | Canadian League | Hamilton, ON | |
| Alf Strowger | strowg001alf | 1898 | 5/5-7/8 | Hamilton Hams | International League | Hamilton, ON | |
| A. Struve | 1898 | Fresno/Watsonville | Pacific Coast League | Watsonville, CA | |||
| Ed Struve | 1898 | Fresno/Watsonville | Pacific Coast League | Watsonville, CA | |||
| Bill Stuart | stuart001bil | 1898 | Bradford Pirates | Iron and Oil League | Bradford, PA | ||
| Bill Stuart | stuart001bil | 1898 | Cape May | Independent | Cape May, NJ | ||
| George Stultz | stultz002geo | 1898 | 4/15-5/16 | Savannah | Southern League | Savannah, GA | |
| George Stultz | stultz002geo | 1898 | 5/17 | Mobile Blackbirds | Southern League | Mobile, AL | |
| Henry Stultz | stultz001hen | 1898 | 5 g. | San Francisco Athletics | Pacific Coast League | San Francisco, CA | |
| Henry Stultz | stultz001hen | 1898 | 37 g. | San Francisco Athletics | Pacific Coast League | San Francisco, CA | |
| Clarence Stumpf | stumpf001cla | 1898 | N.Tonawanda | Amat | North Tonawanda, | ||
| Clarence Stumpf | stumpf001cla | 1898 | 5/13-6/10 | Rome Romans | New York State League | Rome, NY | |
| Ed Stutsman | stutsm001e-- | 1898 | 5/12-5/31 | Saginaw Braves | International League | Saginaw, MI | |
| Stutt | stutt-001--- | 1898 | Denver Grizzlies | Colorado State League | Denver, CO | ||
| Willie Sudhoff | sudhof001joh | 1898 | 41 g. | St. Louis | National League | St. Louis, MO | |
| W.H. Suffield | suffie001w-- | 1898 | 5/6-5/10 | St. Thomas Saints | International League | St. Thomas, ON | |
| Joe Sugden | sugden001jos | 1898 | 89 g. | St. Louis | National League | St. Louis, MO | |
| Sullivan | sulliv029--- | 1898 | +7/16+ | Meriden Bulldogs | Connecticut State League | Meriden, CT | |
| Sullivan | sulliv036--- | 1898 | 7/10-7/16 | Newark Colts | Atlantic League | Newark, NJ | |
| Sullivan | sulliv037--- | 1898 | 8/27 | Toledo Mud Hens | Interstate League | Toledo, OH | |
| Billy Sullivan | sulliv006wil | 1898 | 4/22-9/19 | Columbus Buckeyes/Senators | Western League | Columbus, OH | |
| Daniel Sullivan | sulliv008dan | 1898 | 5/5-7/8 | Bay City Sugar Citys | International League | Bay City, MI | |
| Daniel Sullivan | sulliv008dan | 1898 | 8/24-9/20 | Chatham Reds | Canadian League | Chatham, ON | |
| Daniel Sullivan | sulliv009dan | 1898 | 5/7-5/14+ | Meriden Bulldogs | Connecticut State League | Meriden, CT | |
| Dick Sullivan | sulliv006ric | 1898 | no g. | Detroit Tigers | Western League | Detroit, MI | |
| Dick Sullivan | sulliv006ric | 1898 | 5/3-5/19 | Augusta | Southern League | Augusta, GA | |
| Jim Sullivan | sulliv006jam | 1898 | 6 g. | Sacramento Gilt Edges | California League | Sacramento, CA | |
| Jim Sullivan | sulliv006jam | 1898 | 41 g. | Oakland Reliance | Pacific Coast League | Oakland, CA | |
| Jim Sullivan | sulliv001jim | 1898 | 3 g. | Boston | National League | Boston, MA | |
| Jim Sullivan | sulliv001jim | 1898 | 8/29-9/11 | Providence Clamdiggers/Grays | Eastern League | Providence, RI | |
| Mike Sullivan | sulliv002mik | 1898 | 5/18-6/22 | Kansas City Blues | Western League | Kansas City, MO | |
| Mike Sullivan | sulliv005mic | 1898 | 5/4-7/22+ | New Britain Rangers | Connecticut State League | New Britain, CT | |
| Mike Sullivan | sulliv005mic | 1898 | 8/30-9/10 | New Haven Blues | Connecticut State League | New Haven, CT | |
| Suter Sullivan | sulliv002sut | 1898 | 4/29-7/21 | Wilkes-Barre Coal Barons | Eastern League | Wilkes-Barre, PA | |
| Suter Sullivan | sulliv002sut | 1898 | 7/24- | 42 g. | St. Louis | National League | St. Louis, MO |
| Ted Sullivan | sulliv001tp- | 1898 | 4/28-6/11 | Dubuque Tigers | Western Association | Dubuque, IA | |
| Ollie Summers | summer001oli | 1898 | no g. | MeSt | , | ||
| Jack Sutthoff | suttho001joh | 1898 | 5/5-7/5 | St. Thomas Saints | International League | St. Thomas, ON | |
| Jack Sutthoff | suttho001joh | 1898 | 7/20-9/8 | Toronto Canucks | Eastern League | Toronto, ON | |
| Jack Sutthoff | suttho001joh | 1898 | 9/15- | 2 g. | Washington | National League | Washington, DC |
| Swaim | swaim-001--- | 1898 | 5/21- | Sunbury | Central Pennsylvania League | Sunbury, PA | |
| Arthur Swaim | swaim-001art | 1898 | Fort Wayne Indians | Interstate League | Fort Wayne, IN | ||
| Arthur Swaim | swaim-001art | 1898 | +5/14-6/15+ | Oil City Oilers/Dunkirk-Fredonia | Iron and Oil League | Oil City, PA | |
| Arthur Swaim | swaim-001art | 1898 | +6/21-6/29+ | Oil City Oilers/Dunkirk-Fredonia | Iron and Oil League | Fredonia, NY | |
| Cy Swaim | swaim-001cy- | 1898 | -7/21 | 16 g. | Washington | National League | Washington, DC |
| Cy Swaim | swaim-001cy- | 1898 | 11/3 | Cadwallader | Independent | Cadwallader, OH | |
| Thomas Swaim | 1898 | 11/3 | Freeport OH | Independent | Freeport, OH | ||
| Zeke Swaim | 1898 | 11/3 | Freeport OH | Independent | Freeport, OH | ||
| Fred Swanton | swanto001fre | 1898 | 3/26-4/24 | Santa Cruz | Pacific Coast League | Santa Cruz, CA | |
| Fred Swanton | swanto001fre | 1898 | 4/30-12/11 | Santa Cruz | Pacific Coast League | Santa Cruz, CA | |
| Swarm | swarm-001--- | 1898 | 6/13 | Reading Coal Heavers | Atlantic League | Reading, PA | |
| Ed Swartwood | swartw001ed- | 1898-00 | -10/6 | 389 g. | MLB Umpire | National League | , |
| Charles Sweeney | 1898 | 2 g. | San Francisco Athletics | Pacific Coast League | San Francisco, CA | ||
| Charlie Sweeney | sweene004cha | 1898 | San Francisco | Pacific Coast League | San Francisco, CA | ||
| Daniel Sweeney | sweene002dan | 1898 | 4/28-6/25 | Quincy | Western Association | Quincy, IL | |
| Sweet | sweet-003--- | 1898 | 9/9-9/10 | Hartford Cooperatives | Atlantic League | Hartford, CT | |
| Swentz | 1898 | Fresno | California League | Fresno, CA | |||
| Charlie Swindells | swinde001cha | 1898-99 | Stanford Univ. | College | , | ||
| Arthur Switzer | switze001art | 1898 | 4/16-5/18 | Birmingham Reds | Southern League | Birmingham, AL | |
| Arthur Switzer | switze001art | 1898 | 5/28-5/30 | Reading Coal Heavers | Atlantic League | Reading, PA | |
| Leon Swor | swor--001--- | 1898 | , | ||||
| Bill Sykes | sykes-001bil | 1898 | 5 g. | San Jose | California League | San Jose, CA | |
| Bill Sykes | sykes-001bil | 1898 | 10 g. | Oakland Reliance | Pacific Coast League | Oakland, CA | |
| William Taaffe | taffee001w-- | 1898 | Pvt., E, 9th IL Infantry | Span-Amer | , | ||
| Taich | taich-001--- | 1898 | 8/31 | Danbury Hatters | Connecticut State League | Danbury, CT | |
| Bob Talbot | talbot001rob | 1898 | 5/22-6/1 | Peoria Distillers | Western Association | Peoria, IL | |
| Jesse Tannehill | tanneh001jes | 1898 | 60 g. | Pittsburgh | National League | Pittsburgh, PA | |
| Tate | tate--014--- | 1898 | 5/4 | Bridgeport Orators | Connecticut State League | Bridgeport, CT | |
| Tate | 1898 | Johnstown/Palmyra Mormans | New York State League | Johnstown, PA | |||
| Edward Tate | tate--001pop | 1898 | 4/26-9/10 | Umpire | Atl | , | |
| Harry Tate | tate--001har | 1898 | 4/25-7/9 | Hartford Cooperatives | Atlantic League | Hartford, CT | |
| Harry Tate | tate--001har | 1898 | Atlantic City | Independent | Atlantic City, NJ | ||
| Frank Tawney | 1898 | 3 g. | Fresno | California League | Fresno, CA | ||
| Taylor | 1898 | San Francisco Athletics | California League | San Francisco, CA | |||
| Billy Taylor | taylor002bil | 1898 | 4/25-9/10 | Grand Rapids Cabinet Makers | Interstate League | Grand Rapids, MI | |
| Billy Taylor | taylor002bil | 1898 | 9/19-10/15 | 9 g. | Louisville | National League | Louisville, KY |
| George Taylor | taylor004geo | 1898 | 5/14-9/3+ | Denver Grizzlies | Colorado State League | Denver, CO | |
| George Taylor | taylor004geo | 1898 | Adrian Page Fence | Independent | Adrian, MI | ||
| Jack Taylor | taylor004jac | 1898 | 54 g. | St. Louis | National League | St. Louis, MO | |
| Jack Taylor | taylor014joh | 1898 | 4/21-9/18 | Milwaukee Brewers/Creams | Western League | Milwaukee, WI | |
| Jack Taylor | taylor014joh | 1898 | 9/25- | 5 g. | Chicago | National League | Chicago, IL |
| Wally Taylor | taylor001wal | 1898 | 4/30-9/10 | Toronto Canucks | Eastern League | Toronto, ON | |
| George Tebeau | tebeau002geo | 1898 | 4/21-9/18 | Columbus Buckeyes/Senators | Western League | Columbus, OH | |
| Patsy Tebeau | tebeau001pat | 1898 | 131 g. | Cleveland | National League | Cleveland, OH | |
| Pussy Tebeau | tebeau001pus | 1898 | Joliet IL | Independent | Joliet, IL | ||
| Curt Templin | templi001cur | 1898 | Reading Coal Heavers | Atlantic League | Reading, PA | ||
| Curt Templin | templi001cur | 1898 | 9/1-9/2 | Reading Coal Heavers | Atlantic League | Reading, PA | |
| John Tener | tener-002joh | 1898 | Charleroi | Independent | Charleroi, PA | ||
| Tenney | tenney002--- | 1898 | +5/22+ | Fort Collins | Colorado State League | Fort Collins, CO | |
| Fred Tenney | tenney001fre | 1898 | 117 g. | Boston | National League | Boston, MA | |
| Adonis Terry | terry-001ado | 1898 | 4/29-9/4 | Milwaukee Brewers/Creams | Western League | Milwaukee, WI | |
| Napoleon Tessier | tessle001nap | 1898 | Attleboro | Independent | Attleboro, VT | ||
| Napoleon Tessier | tessle001nap | 1898 | 5/17-8/11 | Lyons | New York State League | Lyons, NY | |
| Tessier/ler | tessle001nap | 1898 | 7/2-7/4 | New Bedford Whalers/Worcester | New England League | Worcester, MA | |
| Parry Thackara | thacka001dav | 1898 | Mt. Holly NJ | S-Pro | Mount Holly, NJ | ||
| Grant Thatcher | thatch001uly | 1898 | 5/5-7/4 | Brockton Shoemakers | New England League | Brockton, MA | |
| Grant Thatcher | thatch001uly | 1898 | 7/15-7/29 | Johnstown/Palmyra Mormans | New York State League | Palmyra, PA | |
| Grant Thatcher | thatch001uly | 1898 | Gloversville | Independent | Gloversville, NY | ||
| Warren Thatcher | thatch001w-- | 1898 | Union College | College | , | ||
| Joseph Theisen | theise001jos | 1898 | 5/4-9/10 | Meriden Bulldogs | Connecticut State League | Meriden, CT | |
| Bill Theurer | 1898 | Wash. & Jeff. Col. | College | , | |||
| Bill Theurer | 1898 | Pitt.-Irwin | Independent | Pittsburgh, PA | |||
| Bill Theurer | 1898 | Greensburg | Independent | Greensburg, PA | |||
| Otto Thiel | thiel-001ott | 1898 | Topeka Giants | Kansas State League | Topeka, KS | ||
| William Thieley | 1898 | 5/4-9/9 | Waterbury Pirates | Connecticut State League | Waterbury, CT | ||
| William Thieley | 1898 | lhp;("NHav"6/2/98) | , | ||||
| Jake Thielman | thielm001joh | 1898-04 | Manhattan Col. | College | , | ||
| Joe Thomas | thomas001tho | 1898 | 1 g. | Fresno | California League | Fresno, CA | |
| Joe Thomas | thomas001tho | 1898 | Fresno/Watsonville | Pacific Coast League | Fresno, CA | ||
| Joe Thomas | thomas001tho | 1898 | 27 g. | San Jose | Pacific Coast League | San Jose, CA | |
| John Thomas | thomas005tho | 1898 | no g. | Detroit Tigers | Western League | Detroit, MI | |
| John Thomas | thomas013joh | 1898 | 5/7 | St. Thomas Saints | International League | St. Thomas, ON | |
| Tom Thomas | thomas005tho | 1898 | 4/21-9/18 | Detroit Tigers | Western League | Detroit, MI | |
| Thompson | thomps054--- | 1898 | +4/25+ | Texarkana | Southwestern League | Texarkana, TX | |
| Thompson | thomps015--- | 1898 | +5/1+ | Little Rock | Southwestern League | Little Rock, AR | |
| Andy Thompson | thomps006and | 1898 | Woodstock Bains | Independent | Woodstock, ON | ||
| Sam Thompson | thomps002sam | 1898 | 14 g. | Philadelphia | National League | Philadelphia, PA | |
| John Thornton | thornt003joh | 1898 | 4/28-6/27 | Dubuque Tigers | Western Association | Dubuque, IA | |
| Walter Thornton | thornt002wal | 1898 | 62 g. | Chicago | National League | Chicago, IL | |
| Frank Thyne | thyne-001fra | 1898 | preseason | Salem | Ohio State League | Salem, OH | |
| Pat Tibald | tibald001pet | 1898 | 4/28-5/24 | Ottumwa Giants | Western Association | Ottumwa, IA | |
| Pat Tibald | tibald001pet | 1898 | 5/30-7/5 | Port Huron Tigers | International League | Port Huron, MI | |
| Pat Tibald | tibald001pet | 1898 | 7/13-9/19 | St. Thomas Saints | Canadian League | St. Thomas, ON | |
| W.J. Tibald | tibald001--- | 1898 | 5/3-5/11 | Grand Rapids Cabinet Makers | Interstate League | Grand Rapids, MI | |
| Mike Tiernan | tierna001mik | 1898 | 103 g. | New York | National League | New York, NY | |
| Ed Tierney | tierne001edw | 1898 | 5/24 | Rome Romans | New York State League | Rome, NY | |
| Jack Tighe | tighe-001joh | 1898 | 4/30-6/20 | New Bedford Whalers/Worcester | New England League | New Bedford, MA | |
| Jack Tighe | tighe-001joh | 1898 | 6/22-7/4 | Fall River Indians | New England League | Fall River, MA | |
| Jack Tighe | tighe-001joh | 1898 | 7/20 | New Britain Rangers | Connecticut State League | New Britain, CT | |
| Joe Tinker | tinker001jos | 1898 | KC-Hagen's | Amat | Kansas City, MO | ||
| Tobin | tobin-013--- | 1898 | 5/2-5/15+ | Leadville | Colorado State League | Leadville, CO | |
| C. W. Toboldt | 1898 | 5/13- | Meadville | Iron and Oil League | Meadville, NY | ||
| C. W. Toboldt | 1898 | 7/- | Celoron Acme Colored Giants | Iron and Oil League | Jamestown, NY | ||
| Frank Todd | todd--002fra | 1898 | 5/5-7/4 | Pawtucket Tigers | New England League | Pawtucket, RI | |
| Frank Todd | todd--002fra | 1898 | 7/14-8/4 | 4 g. | Louisville | National League | Louisville, KY |
| Jack Toft | toft--001jam | 1898 | 5/5-5/7 | St. Thomas Saints | International League | St. Thomas, ON | |
| Jack Toft | toft--001jam | 1898 | +5/28+ | Sunbury | Central Pennsylvania League | Sunbury, PA | |
| Jack Toft | toft--001jam | 1898 | 6/4-8/18 | Utica Pent Ups | New York State League | Utica, NY | |
| Jack Toft | toft--001jam | 1898 | no g. | St. Thomas Saints | Canadian League | St. Thomas, ON | |
| Jack Toft | toft--001jam | 1898 | 9/2-9/10 | Newark Colts | Atlantic League | Newark, NJ | |
| Jimmy Toman | toman-001jam | 1898 | 4/28-6/12 | Buffalo Bisons | Eastern League | Buffalo, NY | |
| Jimmy Toman | toman-001jam | 1898 | 6/16-9/10 | Utica Pent Ups | New York State League | Utica, NY | |
| Toole | 1898 | Homestead | Independent | Homestead, PA | |||
| William Toomey | 1898-04 | Military Service | US Navy | , | |||
| Frank Torreyson | torrey001fra | 1898 | 4/25-9/18 | Grand Rapids Cabinet Makers | Interstate League | Grand Rapids, MI | |
| Thayer Torreyson | torrey001tha | 1898 | 4/25-9/18 | Grand Rapids Cabinet Makers | Interstate League | Grand Rapids, MI | |
| W. C. Touhey | 1898 | +6/4+ | Oritani NJ | Independent | Oritani, NJ | ||
| Cy Townsend | townse002cha | 1898 | 5/13-6/30 | Utica Pent Ups | New York State League | Utica, NY | |
| Cy Townsend | townse002cha | 1898 | 7/9-7/23 | Auburn Maroons | New York State League | Auburn, NY | |
| Happy Townsend | townse001joh | 1898-99 | Washington(MD) | College | , | ||
| Tracy | tracy-010--- | 1898 | 5/1 | Rock Island | Western Association | Rock Island, IL | |
| Charles Traeger | traege002cha | 1898 | 5/13-6/15 | Utica Pent Ups | New York State League | Utica, NY | |
| Bill Traffley | traffl001bil | 1898 | 4/27-7/6 | Hartford Cooperatives | Atlantic League | Hartford, CT | |
| Trainor | traino003--- | 1898 | 6/29-7/22+ | New Britain Rangers | Connecticut State League | New Britain, CT | |
| George Treadway | treadw001geo | 1898 | , | ||||
| Fred Treadwell | treadw001fre | 1898 | +5/30-6/5+ | Zanesville Clay Diggers | Ohio State League | Zanesville, OH | |
| Treese | 1898 | Braddock Carnegie AC | Independent | Braddock, PA | |||
| Vere Treichler | treich001--- | 1898-99 | Franklin & Marshall | College | , | ||
| J. Trenberth | trenbe001j-- | 1898 | 1 g. | San Francisco | Pacific Coast League | San Francisco, CA | |
| Thad Troy | troy--001tha | 1898 | +5/28+ | Coshocton | Ohio State League | Coshocton, OH | |
| Harry Truby | truby-002har | 1898 | 4/28-6/27 | Peoria Distillers | Western Association | Peoria, IL | |
| Harry Truby | truby-002har | 1898 | 7/13-9/11 | Dayton Old Soldiers | Interstate League | Dayton, OH | |
| Job Trusty | trusty001job | 1898 | Cuban Giants | Independent | Cuban, | ||
| Tommy Tucker | tucker003tho | 1898 | 73 g. | Brooklyn | National League | Brooklyn, NY | |
| Tommy Tucker | tucker003tho | 1898 | 72 g. | St. Louis | National League | St. Louis, MO | |
| Tommy Tucker | tucker003tho | 1898 | Omaha Omahogs/St. Joseph Saints | Western League | Omaha, NE | ||
| Paddy Tuohy | toohey001jam | 1898 | +6/4+ | Oritani NJ | Independent | Oritani, NJ | |
| Turner | turner002--- | 1898 | Galveston Sandcrabs | Texas League | Galveston, TX | ||
| Thomas Turner | turner006tho | 1898 | 4/9-5/15 | Galveston Sandcrabs | Texas League | Galveston, TX | |
| Thomas Turner | turner006tho | 1898 | 6/12-7/21 | Detroit Tigers | Western League | Detroit, MI | |
| Tuck Turner | turner002tuc | 1898 | 35 g. | St. Louis | National League | St. Louis, MO | |
| Tuck Turner | turner002tuc | 1898 | no g. | Kansas City Blues | Western League | Kansas City, MO | |
| O.L. Tuttle | tuttle001o-- | 1898 | Santa Cruz | Pacific Coast League | Santa Cruz, CA | ||
| Art Twineham | twineh002art | 1898 | 4/20-7/16 | Detroit Tigers | Western League | Detroit, MI | |
| Art Twineham | twineh002art | 1898 | 8/1-8/20 | Chatham Reds | Canadian League | Chatham, ON | |
| Art Twineham | twineh002art | 1898 | 8/22-8/30 | Omaha Omahogs/St. Joseph Saints | Western League | St. Joseph, MO | |
| Robert Tyler | tyler-001rob | 1898 | Umpire | CtSt | , | ||
| Charles Tyson | 1898 | 1 g. | San Jose | California League | San Jose, CA | ||
| Udell | udell-001--- | 1898 | 1 g. | St. Joseph Saints | Western Association | St. Joseph, MO | |
| Edward Ulam | ulam--002--- | 1898 | , | ||||
| George Ulrich | ulrich001geo | 1898 | 112 g. | Reading Coal Heavers | Atlantic League | Reading, PA | |
| George Ulrich | ulrich001geo | 1898 | Allentown Peanuts | Atlantic League | Allentown, PA | ||
| Underwood | underw001--- | 1898 | Aspen | Colorado State League | Aspen, CO | ||
| Fred Underwood | underw002fre | 1898 | 4/21-5/18 | Detroit Tigers | Western League | Detroit, MI | |
| Fred Underwood | underw002fre | 1898 | 5/27 | Omaha Omahogs/St. Joseph Saints | Western League | Omaha, NE | |
| Fred Underwood | underw002fre | 1898 | 6/2-7/7 | Saginaw Braves | International League | Saginaw, MI | |
| Bob Unglaub | unglau002rob | 1898 | Univ. of Maryland | College | , | ||
| Bob Unglaub | unglau002rob | 1898 | Baltimore Waverly | Independent | Baltimore, MD | ||
| Tommy Uniac | uniac-001tho | 1898 | Everett MA | Independent | Everett, MA | ||
| Bill Urquhart | urquha001wil | 1898 | 4/29-9/11 | Buffalo Bisons | Eastern League | Buffalo, NY | |
| W. Urquhart | urquha001--- | 1898 | +5/13-5/14+ | Denison | Southwestern League | Denison, TX | |
| Lon Ury | ury---001lou | 1898 | Ottawa IA | Ottawa, IA | |||
| Fred Valdois | valdoi001fre | 1898 | 4/9-5/9 | Austin Senators | Texas League | Austin, TX | |
| Fred Valdois | valdoi001fre | 1898 | 5/30-9/18 | Grand Rapids Cabinet Makers | Interstate League | Grand Rapids, MI | |
| Deacon Van Buren | vanbur001edw | 1898 | 4/28-6/8 | Cedar Rapids Rabbits | Western Association | Cedar Rapids, IA | |
| Deacon Van Buren | vanbur001edw | 1898 | 6/15-6/28 | St. Joseph Saints | Western Association | St. Joseph, MO | |
| Deacon Van Buren | vanbur001edw | 1898 | 7/12-8/22 | Omaha Omahogs/St. Joseph Saints | Western League | St. Joseph, MO | |
| Colbert Van Giesen | vangie001col | 1898 | 5/5-7/7 | Saginaw Braves | International League | Saginaw, MI | |
| Colbert Van Giesen | vangie001col | 1898 | 7/13-9/3 | Chatham Reds | Canadian League | Chatham, ON | |
| Charles Van Haltren | vanhal001cha | 1898 | 4 g. | Stockton | California League | Stockton, CA | |
| Charles Van Haltren | vanhal001cha | 1898 | Oakland Reliance | California League | Oakland, CA | ||
| George Van Haltren | vanhal001geo | 1898 | 156 g. | New York | National League | New York, NY | |
| Van Norden | 1898 | 6 g. | San Jose | California League | San Jose, CA | ||
| Ike Van Zandt | vanzan001cha | 1898 | 5/4-8/20 | New London Whalers | Connecticut State League | New London, CT | |
| Vance | vance-010--- | 1898 | 2 g. | Fort Worth Panthers | Texas League | Fort Worth, TX | |
| Farmer Vaughn | vaughn001far | 1898 | 78 g. | Cincinnati | National League | Cincinnati, OH | |
| Joseph Veitch | veitch001jos | 1898 | 4/14-5/19 | Birmingham Reds | Southern League | Birmingham, AL | |
| Perry Verga | verga-001geo | 1898 | 6/14-6/21 | Johnstown/Palmyra Mormans | New York State League | Palmyra, PA | |
| O.C. Verry | verry-001o-- | 1898 | 5/2-5/4 | Pawtucket Tigers | New England League | Pawtucket, RI | |
| Lee Viau | viau--001lee | 1898 | 5/1-9/10 | Paterson Weavers | Atlantic League | Paterson, NJ | |
| Philip Viau | viau--001phi | 1898 | 6/2-7/9 | New Britain Rangers | Connecticut State League | New Britain, CT | |
| Tom Vickery | vicker001tom | 1898 | 5/2 | Hartford Cooperatives | Atlantic League | Hartford, CT | |
| Tom Vickery | vicker001tom | 1898 | 6/6-6/20 | New Bedford Whalers/Worcester | New England League | New Bedford, MA | |
| Tom Vickery | vicker001tom | 1898 | 6/23-7/4 | New Britain Rangers | Connecticut State League | New Britain, CT | |
| Tom Vickery | vicker001tom | 1898 | 7/8-7/10 | Newark Colts | Atlantic League | Newark, NJ | |
| Tom Vickery | vicker001tom | 1898 | 7/11-9/10 | Hartford Cooperatives | Atlantic League | Hartford, CT | |
| Sammy Vigneux | vignea001sam | 1898 | 4/29-9/10 | Richmond Bluebirds | Atlantic League | Richmond, VA | |
| George Villeman | villem001geo | 1898 | 5/13-8/9 | Lyons | New York State League | Lyons, NY | |
| George Villeman | villem001geo | 1898 | 8/15-9/10 | Syracuse Stars | Eastern League | Syracuse, NY | |
| Frank Violet | violet001fra | 1898 | 4/10-5/11 | Montgomery Senators | Southern League | Montgomery, AL | |
| Frank Violet | violet001fra | 1898 | 7/12-8/10 | Grand Rapids Cabinet Makers | Interstate League | Grand Rapids, MI | |
| Frank Violet | violet001fra | 1898 | 8/15-9/17 | Youngstown Puddlers | Interstate League | Youngstown, OH | |
| Rony Viox | viox--001hen | 1898 | 4/23-9/20 | Kansas City Blues | Western League | Kansas City, MO | |
| Joe Visner | visner001joe | 1898 | 5/24-5/30 | Burlington Hawkeyes | Western Association | Burlington, IA | |
| Frank Vogt | 1898 | 5/17-? | Massillon | Ohio State League | Massillon, OH | ||
| George Vollendorf | vollen001geo | 1898 | 4/14-4/23 | Birmingham Reds | Southern League | Birmingham, AL | |
| Jim Vollendorf | vollen001ado | 1898 | 4/22-4/26 | Milwaukee Brewers/Creams | Western League | Milwaukee, WI | |
| Jim Vollendorf | vollen001ado | 1898 | 5/16-9/9 | New Haven Blues | Connecticut State League | New Haven, CT | |
| Jake Volz | volz--001jac | 1898 | 12 g. | San Antonio Missionaries | Texas League | San Antonio, TX | |
| Cy Vorhees | vorhee001hen | 1898 | Syracuse Univ. | College | , | ||
| Cy Vorhees | vorhee001hen | 1898 | 6/2-6/18 | Rome Romans | New York State League | Rome, NY | |
| Cy Vorhees | vorhee001hen | 1898 | 6/23-8/8 | Syracuse Stars | Eastern League | Syracuse, NY | |
| Cy Vorhees | vorhee001hen | 1898 | 8/12-8/20 | Montreal Royals | Eastern League | Montreal, QC | |
| Vorhis | vorhis001--- | 1898 | 5/13-7/12+ | Meadville | Iron and Oil League | Meadville, NY | |
| William Vought | vought002wil | 1898 | 5/4-7/16+ | Meriden Bulldogs | Connecticut State League | Meriden, CT | |
| William Vought | vought002wil | 1898 | 7/19-7/22+ | New Britain Rangers | Connecticut State League | New Britain, CT | |
| Les Wachtell | wachte000les | 1898 | Muncie | InSt | Muncie, IN | ||
| Rube Waddell | waddel001geo | 1898 | 4/20-5/25 | Detroit Tigers | Western League | Detroit, MI | |
| Rube Waddell | waddel001geo | 1898 | Chatham Reds | Canadian League | Chatham, ON | ||
| Rube Waddell | waddel001geo | 1898 | 7/- | Homestead | Independent | Homestead, PA | |
| Rube Waddell | waddel001geo | 1898 | 8/25 | Butler | Independent | Butler, PA | |
| Jack Wadsworth | wadswo002jac | 1898 | 4/28-5/2 | Detroit Tigers | Western League | Detroit, MI | |
| Jack Wadsworth | wadswo002jac | 1898 | 5/14-5/20 | Columbus Buckeyes/Senators | Western League | Columbus, OH | |
| Jack Wadsworth | wadswo002jac | 1898 | 6/4-7/5 | Omaha Omahogs/St. Joseph Saints | Western League | Omaha, NE | |
| Jack Wadsworth | wadswo002jac | 1898 | 7/14-9/19 | Omaha Omahogs/St. Joseph Saints | Western League | St. Joseph, MO | |
| Butts Wagner | wagner001but | 1898 | 63 g. | Washington | National League | Washington, DC | |
| Butts Wagner | wagner001but | 1898 | 4/27-10/10 | 11 g. | Brooklyn | National League | Brooklyn, NY |
| Honus Wagner | wagner004joh | 1898 | 151 g. | Louisville | National League | Louisville, KY | |
| Johnny Wagner | wagner005joh | 1898 | 19 g. | San Antonio Missionaries | Texas League | San Antonio, TX | |
| Johnny Wagner | wagner005joh | 1898 | no g. | Chicago | National League | Chicago, IL | |
| Russ Walberg | walber002rus | 1898 | 3/26-4/24 | Fresno | California League | Fresno, CA | |
| Russ Walberg | walber002rus | 1898 | 4/30-12/11 | Fresno/Watsonville | Pacific Coast League | Fresno, CA | |
| Irv Waldron | waldro001irv | 1898 | 4/21-9/19 | Milwaukee Brewers/Creams | Western League | Milwaukee, WI | |
| George Waldrop | waldro002geo | 1898 | +4/30-5/1+ | Little Rock | Southwestern League | Little Rock, AR | |
| Harry Walker | walker001--- | 1898 | 5/6-6/23 | Saginaw Braves | International League | Saginaw, MI | |
| Harry Walker | walker001--- | 1898 | 7/3-7/6 | Hamilton Hams | International League | Hamilton, ON | |
| Pony Walker | walker001pon | 1898 | 19 g. | Sacramento Gilt Edges | Pacific Coast League | Sacramento, CA | |
| Tom Walker | walker006tho | 1898 | 5/4-6/19 | Fall River Indians | New England League | Fall River, MA | |
| Tom Walker | 1898 | Fresno/Watsonville | Pacific Coast League | Watsonville, CA | |||
| Joe Wall | wall--005jos | 1898 | 6/17-6/18 | Brockton Shoemakers | New England League | Brockton, MA | |
| Wallace | wallac016--- | 1898 | +5/20+ | Salem | Ohio State League | Salem, OH | |
| Bobby Wallace | wallac002rho | 1898 | 154 g. | Cleveland | National League | Cleveland, OH | |
| Wallis | wallis001--- | 1898 | +4/29-5/2+ | Little Rock | Southwestern League | Little Rock, AR | |
| John Walsh | walsh-014joh | 1898 | 5/13-6/14 | Canandaigua Giants | New York State League | Canandaigua, NY | |
| John Walsh | walsh-014joh | 1898 | 6/18-9/10 | Oswego Grays | New York State League | Oswego, NY | |
| John Walsh | walsh-006joh | 1898-03 | St. John's(Fordham) | College | , | ||
| Joseph Walsh | walsh-009jos | 1898 | 4/30- | 12 g. | Rock Island | Western Association | Rock Island, IL |
| William Walsh | walsh-007wil | 1898 | 6/15-7/23 | New Britain Rangers | Connecticut State League | New Britain, CT | |
| Walters | walter014--- | 1898 | +5/27+ | Louisville | Colorado State League | Louisville, CO | |
| Walters | walter011--- | 1898 | +5/1-5/4+ | Little Rock | Southwestern League | Little Rock, AR | |
| Jack Walters | walter001joh | 1898 | 4/29-7/12 | Rochester Patriots/Ottawa Wanderers | Eastern League | Rochester, NY | |
| Jack Walters | walter001joh | 1898 | 7/13-8/7 | Rochester Patriots/Ottawa Wanderers | Eastern League | Ottawa, ON | |
| Jack Walters | walter001joh | 1898 | 8/8-9/11 | Providence Clamdiggers/Grays | Eastern League | Providence, RI | |
| John Walters | 1898 | 4 g. | Stockton | California League | Stockton, CA | ||
| Roxey Walters | walter011--- | 1898 | +5/1-5/4+ | Little Rock | Southwestern League | Little Rock, AR | |
| Roxey Walters | walter001lou | 1898 | Juneau WI | Independent | Juneau, WI | ||
| Dave Walthour | waltho001dav | 1898 | 6 g. | San Francisco Athletics | Pacific Coast League | San Francisco, CA | |
| Dave Walthour | waltho001dav | 1898 | Sacramento Gilt Edges | California League | Sacramento, CA | ||
| Robert Walton | 1898 | Coshocton | Ohio State League | Coshocton, OH | |||
| Ward | ward--006--- | 1898 | +6/19-6/26+ | Louisville | Colorado State League | Louisville, CO | |
| Jack Ward | ward--002jac | 1898 | 7 g. | Oakland Reliance | Pacific Coast League | Oakland, CA | |
| James Ward | 1898 | 4/27-6/28 | Umpire | WestA | , | ||
| Pierre Ward | ward--002e-- | 1898 | 5/5-7/7 | London Cockneys | International League | London, ON | |
| Pierre Ward | ward--002e-- | 1898 | 7/13-9/20 | London Cockneys | Canadian League | London, ON | |
| Piggy Ward | ward--002fra | 1898 | 4/25-9/10 | Lancaster Maroons | Atlantic League | Lancaster, PA | |
| Al Warner | warner002al- | 1898 | 4/26-7/26 | Umpire | IntSt | , | |
| Al Warner | warner002al- | 1898-99 | 7/28- | 136 g. | MLB Umpire | National League | , |
| Bobby Warner | warner002rob | 1898 | 4/30-5/1? - | 2 g. | Rock Island | Western Association | Rock Island, IL |
| H.B. Warner | warner002h-- | 1898 | 5/5-7/8 | Bay City Sugar Citys | International League | Bay City, MI | |
| Jack Warner | warner002joh | 1898 | 110 g. | New York | National League | New York, NY | |
| Mum Warrender | warren002fra | 1898 | College | , | |||
| Mum Warrender | warren002fra | 1898 | +6/19-10/9+ | Alexandria | Independent | Alexandria, IN | |
| Washburn | washbu002--- | 1898 | 5/7-8/19+ | Leadville | Colorado State League | Leadville, CO | |
| Libe Washburn | washbu001lib | 1898 | Brown Univ. | College | , | ||
| Bill Watkins | watkin002bil | 1898 | 4/20-? | Indianapolis Hoosiers | Western League | Indianapolis, IN | |
| Bill Watkins | watkin002bil | 1898 | -5/15 | 176 g. | Pittsburgh | National League | Pittsburgh, PA |
| Charles Watkins | watkin001--- | 1898 | U. of Michigan | College | , | ||
| Charles Watkins | watkin002cha | 1898 | 6/16-7/8 | Bay City Sugar Citys | International League | Bay City, MI | |
| Charles Watkins | watkin002cha | 1898 | 8/27-9/20 | Chatham Reds | Canadian League | Chatham, ON | |
| Watson | watson027--- | 1898 | 7/15 | Mansfield Haymakers | Interstate League | Mansfield, OH | |
| George Watt | watt--001geo | 1898 | no g. | Kansas City Blues | Western League | Kansas City, MO | |
| George Watt | watt--001geo | 1898 | 5/7 | St. Joseph Saints | Western Association | St. Joseph, MO | |
| George Way | way---001geo | 1898 | Williamsport | Central Pennsylvania League | Williamsport, PA | ||
| William Wayne | wayne-001wil | 1898 | 4/14-5/16 | New Orleans Pelicans | Southern League | New Orleans, LA | |
| William Wayne | wayne-001wil | 1898 | 5/28 | Fort Wayne Indians | Interstate League | Fort Wayne, IN | |
| William Wayne | wayne-001wil | 1898 | 6/25-9/17 | Grand Rapids Cabinet Makers | Interstate League | Grand Rapids, MI | |
| Weaver | weaver018--- | 1898 | +5/11+ | Paris | Southwestern League | Paris, TX | |
| Buck Weaver | weaver003buc | 1898 | Bradford Pirates | Iron and Oil League | Bradford, PA | ||
| Buck Weaver | weaver003buc | 1898 | Cape May | Independent | Cape May, NJ | ||
| Farmer Weaver | weaver001far | 1898 | 4/21-9/18 | Milwaukee Brewers/Creams | Western League | Milwaukee, WI | |
| Webber | 1898 | San Francisco | Pacific Coast League | San Francisco, CA | |||
| Weber | weber-008--- | 1898 | 6/4-6/12 | Grand Rapids Cabinet Makers | Interstate League | Grand Rapids, MI | |
| Charlie Weber | weber-003cha | 1898 | 4/9-5/9 | Austin Senators | Texas League | Austin, TX | |
| Charlie Weber | weber-003cha | 1898 | 7/30 | 1 g. | Washington | National League | Washington, DC |
| H. Weber | weber-003h-- | 1898 | 4/21-5/1 | Sherman | Southwestern League | Sherman, TX | |
| Webster | webste004--- | 1898 | 7/18-9/11 | Glenwood Springs | Colorado State League | Glenwood Springs, CO | |
| Al Weddige | weddig001alb | 1898 | 4/26-9/10 | Norfolk Jewels | Atlantic League | Norfolk, VA | |
| Fred Weed | weed--001fre | 1898 | 4 g. | San Jose | California League | San Jose, CA | |
| Fred Weed | weed--001fre | 1898 | San Jose | Pacific Coast League | San Jose, CA | ||
| Weeks | 1898 | No. Attleboro MA | Independent | North Attleboro, MA | |||
| Bert Weeks | weeks-000ber | 1898 | 6/10 | Portland | Pacific Northwest League | Portland, OR | |
| George Weeks | weeks-001geo | 1898 | 7/28-7/30 | Reading Coal Heavers | Atlantic League | Reading, PA | |
| Genser Weidensaul | weiden001yen | 1898 | +5/21+ | Bucknell Col. | College | , | |
| Curt Weigand | weigan001cur | 1898 | 4/30-8/7 | Providence Clamdiggers/Grays | Eastern League | Providence, RI | |
| Curt Weigand | weigan001cur | 1898 | 8/8-8/12 | Rochester Patriots/Ottawa Wanderers | Eastern League | Ottawa, ON | |
| Curt Weigand | weigan001cur | 1898 | 8/14-9/9 | Springfield Ponies/Maroons | Eastern League | Springfield, MA | |
| Jake Weihl | weihl-001jak | 1898 | 4/30-6/20 | New Bedford Whalers/Worcester | New England League | New Bedford, MA | |
| Jake Weihl | weihl-001jak | 1898 | 6/22-7/4 | Fall River Indians | New England League | Fall River, MA | |
| Jake Weihl | weihl-001jak | 1898 | 7/20 | New Britain Rangers | Connecticut State League | New Britain, CT | |
| Frank Weikart | weiker001fra | 1898 | 4/14-5/16 | Savannah | Southern League | Savannah, GA | |
| Frank Weikart | weiker001fra | 1898 | 5/17-5/19 | Mobile Blackbirds | Southern League | Mobile, AL | |
| Frank Weikart | weiker001fra | 1898 | Quitman | SWGa | Quitman, GA | ||
| Leonard Weiker | 1898 | Mansfield Haymakers | Interstate League | Mansfield, OH | |||
| Jake Weimer | weimer001jac | 1898 | 4/25 | Indianapolis Hoosiers | Western League | Indianapolis, IN | |
| Jake Weimer | weimer001jac | 1898 | 5/7-6/25 | Ottumwa Giants | Western Association | Ottumwa, IA | |
| Weinacher | weinac001--- | 1898 | 4/25-5/9 | Mobile Blackbirds | Southern League | Mobile, AL | |
| Louis Weisbecker | weisbe001lou | 1898 | 4/30-7/4 | Pawtucket Tigers | New England League | Pawtucket, RI | |
| Louis Weisbecker | weisbe001lou | 1898 | 7/20-9/9 | Rome Romans | New York State League | Rome, NY | |
| A.W. Weithoff | weitho001a-- | 1898 | 5/7-5/30 | New Bedford Whalers/Worcester | New England League | New Bedford, MA | |
| Welch | welch-027--- | 1898 | 7/8-7/9 | Auburn Maroons | New York State League | Auburn, NY | |
| Welch | welch-027--- | 1898 | Moravia | Independent | Moravia, NY | ||
| Kid Welch | welch-001kid | 1898 | 5/3-5/9 | Newport Colts | New England League | Newport, RI | |
| Jake Wells | wells-001jak | 1898 | 4/25-9/10 | Richmond Bluebirds | Atlantic League | Richmond, VA | |
| Milo Wells | wells-001mil | 1898 | 4/27-9/18 | Springfield Governors | Interstate League | Springfield, OH | |
| Jack Wente | wente-001jac | 1898 | 4/26-9/8 | Lancaster Maroons | Atlantic League | Lancaster, PA | |
| Jack Wentz | wentz-001jac | 1898 | 4/26-9/10 | Norfolk Jewels | Atlantic League | Norfolk, VA | |
| Perry Werden | werden001per | 1898 | , | ||||
| Andrew Werner | werner001and | 1898 | 5/13-7/15 | Rome Romans | New York State League | Rome, NY | |
| Joe Werrick | werric001joe | 1898 | 4/26-9/15 | Mansfield Haymakers | Interstate League | Mansfield, OH | |
| Frank West | west--002fra | 1898 | 4/25-6/29 | Lancaster Maroons | Atlantic League | Lancaster, PA | |
| Frank West | west--002fra | 1898 | 7/8-9/10 | Allentown Peanuts | Atlantic League | Allentown, PA | |
| Bob Westlake | westla001rob | 1898 | New Cumberland | Independent | New Cumberland, | ||
| Bob Westlake | westla001rob | 1898 | Paterson Weavers | Atlantic League | Paterson, NJ | ||
| George Westlake | westla002geo | 1898 | 4/25-4/29 | Grand Rapids Cabinet Makers | Interstate League | Grand Rapids, MI | |
| William Weston | 1898 | San Jose | Pacific Coast League | San Jose, CA | |||
| William Wetzel | wetzel002wil | 1898 | 4/26-7/12 | Dayton Old Soldiers | Interstate League | Dayton, OH | |
| William Wetzel | wetzel002wil | 1898 | 7/18-9/18 | Toledo Mud Hens | Interstate League | Toledo, OH | |
| Gus Weyhing | weyhin001aug | 1898 | 46 g. | Washington | National League | Washington, DC | |
| Jimmy Whalen | whalen003wil | 1898 | 1 g. | San Francisco | Pacific Coast League | San Francisco, CA | |
| Jimmy Whalen | whalen003wil | 1898 | 1 g. | Stockton | California League | Stockton, CA | |
| Jimmy Whalen | whalen003wil | 1898 | 20 g. | Stockton | Pacific Coast League | Stockton, CA | |
| Jimmy Whalen | whalen003wil | 1898 | San Jose | Pacific Coast League | San Jose, CA | ||
| Jimmy Whalen | whalen003wil | 1898 | Santa Cruz | Pacific Coast League | Santa Cruz, CA | ||
| Smith Whaley | whaley001smi | 1898 | 5/13-5/21 | Rome Romans | New York State League | Rome, NY | |
| Babe Whaling | whalin001f-- | 1898 | +2/20+ | LosA-Wilsons | Independent | Los Angeles, CA | |
| C. W. Wheeler | 1898 | 6 g. | San Francisco | Pacific Coast League | San Francisco, CA | ||
| C. W. Wheeler | 1898 | San Jose | California League | San Jose, CA | |||
| Ed Wheeler | wheele003edw | 1898 | 8/24 | Grand Rapids Cabinet Makers | Interstate League | Grand Rapids, MI | |
| Ed Wheeler | wheele003edw | 1898 | 8/25-8/26 | Toledo Mud Hens | Interstate League | Toledo, OH | |
| George Wheeler | wheele002geo | 1898 | 15 g. | Philadelphia | National League | Philadelphia, PA | |
| George Wheeler | wheele002geo | 1898 | 7/12-9/9 | Rome Romans | New York State League | Rome, NY | |
| Bobby Wheelock | wheelo001bob | 1898 | 4/26-9/10 | Norfolk Jewels | Atlantic League | Norfolk, VA | |
| Ducky Whisner | whisne001duc | 1898 | 4/10-5/12 | Montgomery Senators | Southern League | Montgomery, AL | |
| Whissen | whisse001--- | 1898 | +5/20-5/30+ | Wheeling Nailers | Ohio State League | Wheeling, WV | |
| Lew Whistler | whistl002lew | 1898 | 4/26-9/14 | Springfield Governors | Interstate League | Springfield, OH | |
| Whitcomb | whitco004--- | 1898 | +6/2-7/22+ | Portland | Pacific Northwest League | Portland, OR | |
| White | white-008--- | 1898 | +5/1-5/4+ | Little Rock | Southwestern League | Little Rock, AR | |
| White | 1898 | Topeka Giants | Kansas State League | Topeka, KS | |||
| Bert White | white-003ber | 1898 | 5/6-5/26 | Saginaw Braves | International League | Saginaw, MI | |
| Bert White | white-003ber | 1898 | 7/14-7/16 | Chatham Reds | Canadian League | Chatham, ON | |
| Bob White | white-002bob | 1898 | 4/14-4/22 | Atlanta Colts | Southern League | Atlanta, GA | |
| Bob White | white-002bob | 1898 | 4/27-5/19 | Birmingham Reds | Southern League | Birmingham, AL | |
| Deke White | white-001dek | 1898 | 4/30-5/25 | Lancaster Maroons | Atlantic League | Lancaster, PA | |
| Deke White | white-001dek | 1898 | 7/3 | Lancaster Maroons | Atlantic League | Lancaster, PA | |
| Doc White | white-001guy | 1898 | Georgetown Col. | College | , | ||
| Frank White | white-007fra | 1898 | 5/18-6/21 | Johnstown/Palmyra Mormans | New York State League | Palmyra, PA | |
| H. White | white-001h-- | 1898 | 6 g. | Stockton | California League | Stockton, CA | |
| H. White | white-001h-- | 1898 | 10 g. | Stockton | Pacific Coast League | Stockton, CA | |
| Jack White | white-012joh | 1898 | 4/28-9/11 | Buffalo Bisons | Eastern League | Buffalo, NY | |
| Mollie White | white-002m-- | 1898 | 6 g. | San Francisco Athletics | Pacific Coast League | San Francisco, CA | |
| Mollie White | white-002m-- | 1898 | 32 g. | Stockton | Pacific Coast League | Stockton, CA | |
| Sol White | white-001kin | 1898 | +5/4+ | Cuban X Giants | Independent | Cuban, | |
| Thomas White | 1898 | Celoron Acme Colored Giants | Iron and Oil League | Jamestown, NY | |||
| Bruce Whitehill | whiteh001bru | 1898 | Homestead | Independent | Homestead, PA | ||
| Hobe Whiting | whitin001hob | 1898 | 4/30-7/4 | Pawtucket Tigers | New England League | Pawtucket, RI | |
| Hobe Whiting | whitin001hob | 1898 | 7/16-8/9 | Rome Romans | New York State League | Rome, NY | |
| Al Whitridge | whitri001alb | 1898 | 5/16 | Springfield Governors | Interstate League | Springfield, OH | |
| Al Whitridge | whitri001alb | 1898 | 5/23-5/27 | Fort Wayne Indians | Interstate League | Fort Wayne, IN | |
| Buck Whittemore | whitte000buc | 1898 | Co. G, 14th Inf | Span-Amer | , | ||
| Wild Bill Widner | widner001wil | 1898 | , | ||||
| Edwin Wilder | wilder001edw | 1898 | 6/7-6/8 | Fall River Indians | New England League | Fall River, MA | |
| Jack Wiley | wiley-001joh | 1898 | 4/30-6/20 | New Bedford Whalers/Worcester | New England League | New Bedford, MA | |
| Jack Wiley | wiley-001joh | 1898 | 7/1-7/4 | New Bedford Whalers/Worcester | New England League | Worcester, MA | |
| Jack Wiley | wiley-001joh | 1898 | 8/12-9/10 | New Haven Blues | Connecticut State League | New Haven, CT | |
| Wilhelm | 1898 | U. Pennsylvania | College | , | |||
| Wilhelm | 1898 | Uniontown | Independent | Uniontown, PA | |||
| Wilhelm | wilhel001--- | 1898 | 8/4 | Youngstown Puddlers | Interstate League | Youngstown, OH | |
| Harry Wilhelm | wilhel002har | 1898 | Westminster | College | , | ||
| Harry Wilhelm | wilhel002har | 1898 | 6/18-9/9 | Lancaster Maroons | Atlantic League | Lancaster, PA | |
| Harry Wilhelm | wilhel002har | 1898 | Uniontown | Independent | Uniontown, PA | ||
| Frank Will | wills-002fra | 1898-09 | IL Wesleyan | College | , | ||
| Williams | willia028--- | 1898 | +5/20-6/1+ | Canton | Ohio State League | Canton, OH | |
| Williams | willia250--- | 1898 | +6/3-6/6+ | Oil City Oilers/Dunkirk-Fredonia | Iron and Oil League | Oil City, PA | |
| Williams | willia123--- | 1898 | +5/18-5/30+ | Salem | Ohio State League | Salem, OH | |
| Williams | willia155--- | 1898 | 41 g. | Santa Cruz | Pacific Coast League | Santa Cruz, CA | |
| Clarence Williams | willia010cla | 1898 | +5/4+ | Cuban X Giants | Independent | Cuban, | |
| Clyde Williams | willia002s-- | 1898-02 | U. of Iowa | College | , | ||
| Dal Williams | willia001lev | 1898 | 4/28-6/6 | Burlington Hawkeyes | Western Association | Burlington, IA | |
| Dal Williams | willia001lev | 1898 | 7/3-9/10 | Hartford Cooperatives | Atlantic League | Hartford, CT | |
| Dave Williams | willia013dav | 1898 | Honsdale PA | Independent | Honesdale, PA | ||
| Jimmy Williams | willia025jam | 1898 | 4/23-9/20 | Kansas City Blues | Western League | Kansas City, MO | |
| Orrin Williams | willia002orr | 1898 | 4/14-5/18 | Charleston Seagulls | Southern League | Charleston, SC | |
| Orrin Williams | willia002orr | 1898 | U. S. Army | Span-Amer | , | ||
| Pop Williams | willia008wal | 1898 | 5/2-9/10 | Toronto Canucks | Eastern League | Toronto, ON | |
| Pop Williams | willia008wal | 1898 | 9/14 - | 2 g. | Washington | National League | Washington, DC |
| Robert Williams | willia155--- | 1898 | 6 g. | Santa Cruz | Pacific Coast League | Santa Cruz, CA | |
| Robert Williams | willia155--- | 1898 | 2 g. | San Jose | California League | San Jose, CA | |
| Walter Williams | willia011wal | 1898 | 5/13-6/22+ | Celoron Acme Colored Giants | Iron and Oil League | Jamestown, NY | |
| Thomas Williamson | willia013tho | 1898 | Portland | Pacific Northwest League | Portland, OR | ||
| Thomas Williamson | willia013tho | 1898 | Tacoma | Pacific Northwest League | Tacoma, WA | ||
| Jack Williden | willid001jac | 1898 | Joplin | Independent | Joplin, MO | ||
| Jack Williden | willid001jac | 1898 | Wichita Eagles | Kansas State League | Wichita, KS | ||
| Henry Willig | willig001hen | 1898 | 4/14-5/19 | Birmingham Reds | Southern League | Birmingham, AL | |
| Willis | willis019--- | 1898 | 9/18 | Detroit Tigers | Western League | Detroit, MI | |
| Vic Willis | willis001vic | 1898 | 4/20- | 41 g. | Boston | National League | Boston, MA |
| Robert Willner | willne001rob | 1898 | Co. A , 4th Wisc | Span-Amer | , | ||
| Willoughby | willou004--- | 1898 | Denver Grizzlies | Colorado State League | Denver, CO | ||
| Dave Wills | wills-001dav | 1898 | U. of Virginia | College | , | ||
| Walt Wilmot | wilmot001wal | 1898 | 35 g. | New York | National League | New York, NY | |
| Walt Wilmot | wilmot001wal | 1898 | 7/31-9/19 | Minneapolis Millers | Western League | Minneapolis, MN | |
| Wilson | wilson081--- | 1898 | +5/28-6/8 | Wheeling Nailers | Ohio State League | Wheeling, WV | |
| Wilson | wilson163--- | 1898 | Portland | Pacific Northwest League | Portland, OR | ||
| Benjamin Wilson | 1898 | Coshocton | Ohio State League | Coshocton, OH | |||
| Bill Wilson | wilson003bil | 1898 | 29 g. | Louisville | National League | Louisville, KY | |
| Bill Wilson | wilson026wil | 1898 | 7/3-9/4 | Detroit Tigers | Western League | Detroit, MI | |
| Bill Wilson | wilson026wil | 1898 | 9/8-9/13 | Omaha Omahogs/St. Joseph Saints | Western League | St. Joseph, MO | |
| Ed Wilson | 1898 | +5/4+ | Cuban X Giants | Independent | Cuban, | ||
| Edward Wilson | wilson007edw | 1898 | 5/13-7/2+ | Celoron Acme Colored Giants | Iron and Oil League | Jamestown, NY | |
| G. Glancy Wilson | 1898 | WC-Brandywine | Independent | West Chester, PA | |||
| Gary Wilson | wilson010jam | 1898 | 5/4-7/22+ | Derby Angels | Connecticut State League | Derby, CT | |
| Gary Wilson | wilson010jam | 1898 | 7/27-9/10 | Meriden Bulldogs | Connecticut State League | Meriden, CT | |
| George Wilson | wilson019geo | 1898 | Adrian Page Fence | Independent | Adrian, MI | ||
| Harry Wilson | wilson003hen | 1898 | no g. | Dubuque Tigers | Western Association | Dubuque, IA | |
| Harry Wilson | wilson003hen | 1898 | 5/9-5/17 | Toronto Canucks | Eastern League | Toronto, ON | |
| Harry Wilson | wilson003hen | 1898 | 6/2-6/3 | London Cockneys | International League | London, ON | |
| Harry Wilson | wilson003hen | 1898 | 10/12 | 1 g. | Baltimore | National League | Baltimore, MD |
| Parke Wilson | wilson001par | 1898 | 1 g. | New York | National League | New York, NY | |
| Parke Wilson | wilson001par | 1898 | 5/2-9/20 | Kansas City Blues | Western League | Kansas City, MO | |
| Willis Wilson | wilson025wil | 1898 | 4/28-6/27 | Ottumwa Giants | Western Association | Ottumwa, IA | |
| Zeke Wilson | wilson002zek | 1898 | 37 g. | Cleveland | National League | Cleveland, OH | |
| Lewis Wiltse | wiltse001lew | 1898 | Ilion | Independent | Ilion, NY | ||
| George? Winters | 1898 | Quincy | Western Association | Quincy, IL | |||
| Wirig | 1898 | 1 g. | Stockton | California League | Stockton, CA | ||
| Martin Wise | wise--001mar | 1898 | 5/13-6/2 | Cortland | New York State League | Cortland, NY | |
| Martin Wise | wise--001mar | 1898 | 7/6 | Bridgeport Orators | Connecticut State League | Bridgeport, CT | |
| Sam Wise | wise--001sam | 1898 | 4/28-9/11 | Buffalo Bisons | Eastern League | Buffalo, NY | |
| Doc Wiseman | wisema001jul | 1898 | 4/14-5/16 | New Orleans Pelicans | Southern League | New Orleans, LA | |
| J. G. Witmon | 1898 | no g. | Meriden Bulldogs | Connecticut State League | Meriden, CT | ||
| Bill Wittrock | whitro001bil | 1898 | no g. | Detroit Tigers | Western League | Detroit, MI | |
| Bill Wittrock | whitro001bil | 1898 | no g. | Burlington Hawkeyes | Western Association | Burlington, IA | |
| W.J. Wolf | wolf--003wil | 1898 | no g. | Milwaukee Brewers/Creams | Western League | Milwaukee, WI | |
| W.J. Wolf | wolf--002w-- | 1898 | 5/17 | St. Joseph Saints | Western Association | St. Joseph, MO | |
| Barney Wolfe | wolfe-001wil | 1898 | no g. | Pittsburgh | National League | Pittsburgh, PA | |
| Barney Wolfe | wolfe-001wil | 1898 | no g. | Fort Wayne Indians | Interstate League | Fort Wayne, IN | |
| Barney Wolfe | wolfe-001wil | 1898 | Pitt.-Charleroi | Independent | Pittsburgh, PA | ||
| Barney Wolfe | wolf--003--- | 1898 | 5/12-6/5 | Burlington Hawkeyes | Western Association | Burlington, IA | |
| Maurice Wolfe | wolfe-001mau | 1898 | 4/30-5/12 | Taunton Herrings | New England League | Taunton, MA | |
| Harry Wolsieffer | wolsif001w-- | 1898 | 5/4-6/25 | New Britain Rangers | Connecticut State League | New Britain, CT | |
| Leon Wolters | wolter001leo | 1898 | 5/8-9/19 | Columbus Buckeyes/Senators | Western League | Columbus, OH | |
| Harry Wolverton | wolver001har | 1898 | 4/21-9/19 | Columbus Buckeyes/Senators | Western League | Columbus, OH | |
| Harry Wolverton | wolver001har | 1898 | 9/25 - | 13 g. | Chicago | National League | Chicago, IL |
| Bob Wood | wood--005rob | 1898 | 5/2 - | 39 g. | Cincinnati | National League | Cincinnati, OH |
| Carl Wood | wood--001car | 1898 | Fulton MO | Fulton, MO | |||
| George Wood | wood--004geo | 1898 | -7/20 | 90 g. | MLB Umpire | National League | , |
| Mike Woodlock | woodlo001mic | 1898 | 4/26-9/18 | Springfield Governors | Interstate League | Springfield, OH | |
| Pete Woodruff | woodru002pet | 1898 | New Castle Quakers | Interstate League | New Castle, PA | ||
| Pete Woodruff | woodru002pet | 1898 | Mansfield Haymakers | Interstate League | Mansfield, OH | ||
| Sam Woodruff | woodru001orv | 1898 | 4/10-5/19 | Mobile Blackbirds | Southern League | Mobile, AL | |
| Woods | woods-011--- | 1898 | 4/27-7/7 | Allentown Peanuts | Atlantic League | Allentown, PA | |
| Woods | woods-037--- | 1898 | 7/9 | Reading Coal Heavers | Atlantic League | Reading, PA | |
| Woods | woods-037--- | 1898 | 7/12-9/9 | Harrisburg | Alt | Harrisburg, PA | |
| Ed Woods | 1898 | Chicago Unions | Independent | Chicago, IL | |||
| Walt Woods | woods-002wal | 1898 | 4/20 - | 48 g. | Chicago | National League | Chicago, IL |
| W.S. Woodside | woodsi001w-- | 1898 | 5/8-6/3 | New Castle Quakers | Interstate League | New Castle, PA | |
| Lew Woodward | woodwa001lew | 1898 | +5/14-7/11+ | Warren | Iron and Oil League | Warren, PA | |
| Frank Wooliver | wooliv001fra | 1898 | 13 g. | Dallas Colts | Texas League | Dallas, TX | |
| Frank Wooliver | wooliv001fra | 1898 | +6/5+ | Joplin | Mo-Ks | Joplin, MO | |
| Frank Wooliver | wooliv001fra | 1898 | Wichita Eagles | Kansas State League | Wichita, KS | ||
| William Work | works-001wil | 1898 | 5/18-7/31 | Tacoma | Pacific Northwest League | Tacoma, WA | |
| Worth | 1898 | 1 g. | Stockton | California League | Stockton, CA | ||
| Worth (North?) | 1898 | +5/1+ | Little Rock | Southwestern League | Little Rock, AR | ||
| Wright | wright050--- | 1898 | 6/9 | Meriden Bulldogs | Connecticut State League | Meriden, CT | |
| Clarence Wright | wright003cla | 1898 | Celoron Acme Colored Giants | Iron and Oil League | Jamestown, NY | ||
| Dave Wright | wright005dav | 1898 | 4/22-5/23 | Columbus Buckeyes/Senators | Western League | Columbus, OH | |
| Dave Wright | wright005dav | 1898 | 5/28-7/28 | Minneapolis Millers | Western League | Minneapolis, MN | |
| Dave Wright | wright005dav | 1898 | 9/9-9/16 | Minneapolis Millers | Western League | Minneapolis, MN | |
| Joe Wright | wright001joe | 1898 | 4/28- | 39 g. | Rock Island | Western Association | Rock Island, IL |
| Lucky Wright | wright015wil | 1898 | Tontogany OH | Amat | Tontogany, OH | ||
| Pat Wright | wright003pat | 1898 | 4/28-6/27 | Peoria Distillers | Western Association | Peoria, IL | |
| Pat Wright | wright003pat | 1898 | 7/12-9/19 | Omaha Omahogs/St. Joseph Saints | Western League | St. Joseph, MO | |
| Rasty Wright | wright001ras | 1898 | 4/29-7/9 | Wilkes-Barre Coal Barons | Eastern League | Wilkes-Barre, PA | |
| Rasty Wright | wright001ras | 1898 | 8/17-8/21 | Grand Rapids Cabinet Makers | Interstate League | Grand Rapids, MI | |
| Zeke Wrigley | wrigle001zek | 1898 | 111 g. | Washington | National League | Washington, DC | |
| David Wyatt | 1898 | Celoron Acme Colored Giants | Iron and Oil League | Jamestown, NY | |||
| David Wyatt | 1898 | Chicago Unions | Independent | Chicago, IL | |||
| Ad Yale | yale--001wil | 1898 | +5/6-9/10 | Bridgeport Orators | Connecticut State League | Bridgeport, CT | |
| M.B. Yaw | yaw---001m-- | 1898 | no g. | Springfield Ponies/Maroons | Eastern League | Springfield, MA | |
| M.B. Yaw | yaw---001m-- | 1898 | 5/12-7/3 | New Haven Blues | Connecticut State League | New Haven, CT | |
| George Yeager | yeager001geo | 1898 | 68 g. | Boston | National League | Boston, MA | |
| Joe Yeager | yeager002jos | 1898 | 4/22- | 43 g. | Brooklyn | National League | Brooklyn, NY |
| Stan Yerkes | yerkes001sta | 1898 | 5/2-7/2 | Rochester Patriots/Ottawa Wanderers | Eastern League | Rochester, NY | |
| Stan Yerkes | yerkes001sta | 1898 | 7/9-7/26 | Cortland | New York State League | Cortland, NY | |
| Stan Yerkes | yerkes001sta | 1898 | 8/10-8/13 | Johnstown/Palmyra Mormans | New York State League | Johnstown, PA | |
| Stan Yerkes | yerkes001sta | 1898 | 8/29-8/31 | Reading Coal Heavers | Atlantic League | Reading, PA | |
| Bill Yerrick | banks-001bil | 1898 | 5/6-6/14 | Montreal Royals | Eastern League | Montreal, QC | |
| Yoder | yoder-001--- | 1898 | Dickinson College | College | , | ||
| Young | young-013--- | 1898 | +5/28+ | Sunbury | Central Pennsylvania League | Sunbury, PA | |
| Young | young-064--- | 1898 | 6 g. | Youngstown Puddlers | Interstate League | Youngstown, OH | |
| Charles Young | young-002cha | 1898 | 4/30-6/25 | Rock Island | Western Association | Rock Island, IL | |
| Cy Young | young-001den | 1898 | 47 g. | Cleveland | National League | Cleveland, OH | |
| William Young | young-009wil | 1898 | New Bedford Whalers/Worcester | New England League | New Bedford, MA | ||
| William Young | young-009wil | 1898 | 6/9-6/20 | Fall River Indians | New England League | Fall River, MA | |
| Henry Youngman | youngm001hen | 1898 | 6/10-6/28 | Dayton Old Soldiers | Interstate League | Dayton, OH | |
| Jack Zalusky | zalusk001joh | 1898 | Minn.=PabstBrew | Independent | Minneapolis, MN | ||
| Dave Zearfoss | zearfo001dav | 1898 | 1 g. | New York | National League | New York, NY | |
| Zearing | zearin001--- | 1898 | Aspen | Colorado State League | Aspen, CO | ||
| Sam Zeigenbein/Zie | zeigen001sam | 1898 | +7/13+ | Jackson MI | Independent | Jackson, MI | |
| Zieber | zieber001--- | 1898 | 8/30-8/31 | Reading Coal Heavers | Atlantic League | Reading, PA | |
| Charlie Ziegler | ziegle001cha | 1898 | 1 g. | Dubuque Tigers | Western Association | Dubuque, IA | |
| George Ziegler | ziegle002geo | 1898 | 4/27-4/29 | Dayton Old Soldiers | Interstate League | Dayton, OH | |
| Charles Zietz | zietz-001cha | 1898 | 5/14-8/14+ | Denver Grizzlies | Colorado State League | Denver, CO | |
| Charles Zimmer | zimmer001cha | 1898 | 20 g. | Cleveland | National League | Cleveland, OH | |
| Zimmerman | zimmer013--- | 1898 | 7/4-7/22+ | New Britain Rangers | Connecticut State League | New Britain, CT | |
| Bill Zink | zink--001wil | 1898 | 4/26 | New Castle Quakers | Interstate League | New Castle, PA | |
| Eddie Zinram | zinram001edw | 1898 | 4/25-5/30 | Youngstown Puddlers | Interstate League | Youngstown, OH | |
| Eddie Zinram | zinram001edw | 1898 | 6/5-9/17 | New Castle Quakers | Interstate League | New Castle, PA | |
| Charles Zinzer | zinzer001cha | 1898 | Olean | Iron and Oil League | Olean, NY | ||
| Joe Zoellers | zoelle002jos | 1898 | +7/3+ | St.L-SportingNews | Independent | St. Louis, MO | |
| August Zurlage | zurlag001a-- | 1898 | +9/18+ | Cinc.-Ohio | Independent | Cincinnati, OH |